SEC Info℠  
    Home      Search      My Interests      Help      Sign In      Please Sign In

Idt Corp – ‘10-Q’ for 1/31/19 – ‘EX-101.LAB’

On:  Tuesday, 3/12/19, at 2:51pm ET   ·   For:  1/31/19   ·   Accession #:  1213900-19-3948   ·   File #:  1-16371

Previous ‘10-Q’:  ‘10-Q’ on 12/10/18 for 10/31/18   ·   Next:  ‘10-Q’ on 6/7/19 for 4/30/19   ·   Latest:  ‘10-Q’ on 3/11/24 for 1/31/24

Find Words in Filings emoji
 		  in    Show  and   ↓Hints

  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 3/12/19  Idt Corp                          10-Q        1/31/19   84:6.5M                                   Edgar Agents LLC/FA

Quarterly Report   —   Form 10-Q   —   Sect. 13 / 15(d) – SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 10-Q        Quarterly Report                                    HTML    597K 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     27K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     27K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     23K 
 5: EX-32.2     Certification -- §906 - SOA'02                      HTML     23K 
12: R1          Document and Entity Information                     HTML     50K 
13: R2          Consolidated Balance Sheets                         HTML    141K 
14: R3          Consolidated Balance Sheets (Parenthetical)         HTML     47K 
15: R4          Consolidated Statements of Operations (Unaudited)   HTML     95K 
16: R5          Consolidated Statements of Comprehensive Income     HTML     53K 
                (Loss) (Unaudited)                                               
17: R6          Consolidated Statements of Equity (Unaudited)       HTML     75K 
18: R7          Consolidated Statements of Equity (Parenthetical)   HTML     24K 
                (Unaudited)                                                      
19: R8          Consolidated Statements of Cash Flows (Unaudited)   HTML    117K 
20: R9          Basis of Presentation                               HTML     29K 
21: R10         Revenue Recognition                                 HTML    251K 
22: R11         Cash, Cash Equivalents, and Restricted Cash and     HTML     39K 
                Cash Equivalents                                                 
23: R12         IDT Financial Services Holding Limited Assets and   HTML     95K 
                Liabilities Held for Sale                                        
24: R13         Acquisition of Versature Corp                       HTML     62K 
25: R14         Rafael Holdings, Inc. Spin-Off                      HTML     33K 
26: R15         Debt Securities                                     HTML     51K 
27: R16         Equity Investments                                  HTML     65K 
28: R17         Fair Value Measurements                             HTML     92K 
29: R18         Equity                                              HTML     33K 
30: R19         Earnings (Loss) Per Share                           HTML     42K 
31: R20         Revolving Credit Facility                           HTML     26K 
32: R21         Accumulated Other Comprehensive Loss                HTML     32K 
33: R22         Business Segment Information                        HTML    102K 
34: R23         Commitments and Contingencies                       HTML     56K 
35: R24         Other Income (Expense), Net                         HTML     32K 
36: R25         The Tax Cuts and Jobs Act                           HTML     30K 
37: R26         Recently Issued Accounting Standard Not Yet         HTML     34K 
                Adopted                                                          
38: R27         Revenue Recognition (Tables)                        HTML     86K 
39: R28         Cash, Cash Equivalents, and Restricted Cash and     HTML     31K 
                Cash Equivalents (Tables)                                        
40: R29         IDT Financial Services Holding Limited Assets and   HTML     48K 
                Liabilities Held for Sale (Tables)                               
41: R30         Acquisition of Versature Corp (Tables)              HTML     38K 
42: R31         Rafael Holdings, Inc. Spin-Off (Tables)             HTML     29K 
43: R32         Debt Securities (Tables)                            HTML     48K 
44: R33         Equity Investments (Tables)                         HTML     44K 
45: R34         Fair Value Measurements (Tables)                    HTML     50K 
46: R35         Earnings (Loss) Per Share (Tables)                  HTML     41K 
47: R36         Accumulated Other Comprehensive Loss (Tables)       HTML     41K 
48: R37         Business Segment Information (Tables)               HTML     40K 
49: R38         Other Income (Expense), Net (Tables)                HTML     31K 
50: R39         Revenue Recognition (Details)                       HTML     50K 
51: R40         Revenue Recognition (Details 1)                     HTML     61K 
52: R41         Revenue Recognition (Details 2)                     HTML     26K 
53: R42         Revenue Recognition (Details Textual)               HTML     34K 
54: R43         Cash, Cash Equivalents, and Restricted Cash and     HTML     41K 
                Cash Equivalents (Details)                                       
55: R44         IDT Financial Services Holding Limited Assets and   HTML    107K 
                Liabilities Held for Sale (Details)                              
56: R45         IDT Financial Services Holding Limited Assets and   HTML     32K 
                Liabilities Held for Sale (Details 1)                            
57: R46         IDT Financial Services Holding Limited Assets and   HTML     24K 
                Liabilities Held for Sale (Details Textual)                      
58: R47         Acquisition of Versature Corp (Details)             HTML     58K 
59: R48         Acquisition of Versature Corp (Details 1)           HTML     27K 
60: R49         Acquisition of Versature Corp (Details Textual)     HTML     26K 
61: R50         Rafael Holdings, Inc. Spin-Off (Details)            HTML     32K 
62: R51         Debt Securities (Details)                           HTML     43K 
63: R52         Debt Securities (Details 1)                         HTML     39K 
64: R53         Debt Securities (Details 2)                         HTML     29K 
65: R54         Debt Securities (Details Textual)                   HTML     30K 
66: R55         Equity Investments (Details)                        HTML     36K 
67: R56         Equity Investments (Details 1)                      HTML     28K 
68: R57         Equity Investments (Details Textual)                HTML     54K 
69: R58         Fair Value Measurements (Details)                   HTML     44K 
70: R59         Fair Value Measurements (Details 1)                 HTML     34K 
71: R60         Fair Value Measurements (Details Textual)           HTML     23K 
72: R61         Equity (Details)                                    HTML     55K 
73: R62         Earnings (Loss) Per Share (Details)                 HTML     36K 
74: R63         Earnings (Loss) Per Share (Details 1)               HTML     30K 
75: R64         Revolving Credit Facility (Details)                 HTML     33K 
76: R65         Accumulated Other Comprehensive Loss (Details)      HTML     46K 
77: R66         Business Segment Information (Details)              HTML     49K 
78: R67         Business Segment Information (Details Textual)      HTML     23K 
79: R68         Commitments and Contingencies (Details)             HTML     39K 
80: R69         Other Income (Expense), Net (Details)               HTML     35K 
81: R70         The Tax Cuts and Jobs Act (Details)                 HTML     33K 
83: XML         IDEA XML File -- Filing Summary                      XML    152K 
82: EXCEL       IDEA Workbook of Financial Reports                  XLSX     81K 
 6: EX-101.INS  XBRL Instance -- idt-20190131                        XML   2.07M 
 8: EX-101.CAL  XBRL Calculations -- idt-20190131_cal                XML    136K 
 9: EX-101.DEF  XBRL Definitions -- idt-20190131_def                 XML    539K 
10: EX-101.LAB  XBRL Labels -- idt-20190131_lab                      XML   1.21M 
11: EX-101.PRE  XBRL Presentations -- idt-20190131_pre               XML    820K 
 7: EX-101.SCH  XBRL Schema -- idt-20190131                          XSD    171K 
84: ZIP         XBRL Zipped Folder -- 0001213900-19-003948-xbrl      Zip    145K

‘EX-101.LAB’   —   XBRL Labels — idt-20190131_lab

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<!-- XBRL Document Modified with Ez-Editor Version 1.8.0.4 on Tuesday, March 12, 2019 06:00:52 AM -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" roleURI="http://www.xbrl.org/2009/role/negatedNetLabel"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel"/>
<labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_DocumentAndEntityInformationAbstract" xlink:label="loc_HFGG41G0KG58_idt_DocumentAndEntityInformationAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_DocumentAndEntityInformationAbstract" xml:lang="en-US"> Document and Entity Information [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_DocumentAndEntityInformationAbstract" xml:lang="en-US"> Document And Entity Information [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_DocumentAndEntityInformationAbstract" xml:lang="en-US"> Document And Entity Information [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_DocumentAndEntityInformationAbstract" xlink:to="lab_JHII63I2MI70_idt_DocumentAndEntityInformationAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_StatementTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementTable" xml:lang="en-US"> Statement [Table] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementTable" xml:lang="en-US"> Statement [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_StatementTable" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_StatementTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_HFGG41G0KG58_us-gaap_StatementClassOfStockAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_StatementClassOfStockAxis" xml:lang="en-US"> Class of Stock [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_StatementClassOfStockAxis" xml:lang="en-US"> Class of Stock [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_StatementClassOfStockAxis" xlink:to="lab_JHII63I2MI70_us-gaap_StatementClassOfStockAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ClassOfStockDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ClassOfStockDomain" xml:lang="en-US"> Class of Stock [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ClassOfStockDomain" xml:lang="en-US"> Class of Stock [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ClassOfStockDomain" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ClassOfStockDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="loc_HFGG41G0KG58_us-gaap_CommonClassAMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CommonClassAMember" xml:lang="en-US"> Common Class A [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CommonClassAMember" xml:lang="en-US"> Class A common stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CommonClassAMember" xml:lang="en-US"> Class A common stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_CommonClassAMember" xml:lang="en-US"> Class A common stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_CommonClassAMember" xml:lang="en-US"> Class A Common Stock </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CommonClassAMember" xlink:to="lab_JHII63I2MI70_us-gaap_CommonClassAMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_CommonClassBMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommonClassBMember" xml:lang="en-US"> Common Class B [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommonClassBMember" xml:lang="en-US"> Class B Common Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommonClassBMember" xml:lang="en-US"> Class B common stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommonClassBMember" xml:lang="en-US"> Class B Common Stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommonClassBMember" xml:lang="en-US"> Class B common stock [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_CommonClassBMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_CommonClassBMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_HFGG41G0KG58_us-gaap_StatementLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_StatementLineItems" xml:lang="en-US"> Statement [Line Items] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_StatementLineItems" xml:lang="en-US"> Statement [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_StatementLineItems" xlink:to="lab_JHII63I2MI70_us-gaap_StatementLineItems"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_G578G2J8HGI99092F09I_dei_EntityRegistrantName"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_dei_EntityRegistrantName" xml:lang="en-US"> Entity Registrant Name </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_dei_EntityRegistrantName" xml:lang="en-US"> Entity Registrant Name </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_dei_EntityRegistrantName" xlink:to="lab_I790I4L0JIK11214H21K_dei_EntityRegistrantName"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_HFGG41G0KG58_dei_EntityCentralIndexKey"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_dei_EntityCentralIndexKey" xml:lang="en-US"> Entity Central Index Key </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_dei_EntityCentralIndexKey" xml:lang="en-US"> Entity Central Index Key </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_dei_EntityCentralIndexKey" xlink:to="lab_JHII63I2MI70_dei_EntityCentralIndexKey"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_G578G2J8HGI99092F09I_dei_AmendmentFlag"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_dei_AmendmentFlag" xml:lang="en-US"> Amendment Flag </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_dei_AmendmentFlag" xml:lang="en-US"> Amendment Flag </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_dei_AmendmentFlag" xlink:to="lab_I790I4L0JIK11214H21K_dei_AmendmentFlag"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_TradingSymbol" xlink:label="loc_HFGG41G0KG58_dei_TradingSymbol"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_dei_TradingSymbol" xml:lang="en-US"> Trading Symbol </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_dei_TradingSymbol" xlink:to="lab_JHII63I2MI70_dei_TradingSymbol"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_G578G2J8HGI99092F09I_dei_CurrentFiscalYearEndDate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_dei_CurrentFiscalYearEndDate" xml:lang="en-US"> Current Fiscal Year End Date </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_dei_CurrentFiscalYearEndDate" xml:lang="en-US"> Current Fiscal Year End Date </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_dei_CurrentFiscalYearEndDate" xlink:to="lab_I790I4L0JIK11214H21K_dei_CurrentFiscalYearEndDate"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentType" xlink:label="loc_HFGG41G0KG58_dei_DocumentType"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_dei_DocumentType" xml:lang="en-US"> Document Type </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_dei_DocumentType" xml:lang="en-US"> Document Type </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_dei_DocumentType" xlink:to="lab_JHII63I2MI70_dei_DocumentType"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_G578G2J8HGI99092F09I_dei_DocumentPeriodEndDate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_dei_DocumentPeriodEndDate" xml:lang="en-US"> Document Period End Date </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_dei_DocumentPeriodEndDate" xml:lang="en-US"> Document Period End Date </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_dei_DocumentPeriodEndDate" xlink:to="lab_I790I4L0JIK11214H21K_dei_DocumentPeriodEndDate"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_HFGG41G0KG58_dei_DocumentFiscalYearFocus"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_dei_DocumentFiscalYearFocus" xml:lang="en-US"> Document Fiscal Year Focus </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_dei_DocumentFiscalYearFocus" xml:lang="en-US"> Document Fiscal Year Focus </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_dei_DocumentFiscalYearFocus" xlink:to="lab_JHII63I2MI70_dei_DocumentFiscalYearFocus"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_G578G2J8HGI99092F09I_dei_DocumentFiscalPeriodFocus"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_dei_DocumentFiscalPeriodFocus" xml:lang="en-US"> Document Fiscal Period Focus </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_dei_DocumentFiscalPeriodFocus" xml:lang="en-US"> Document Fiscal Period Focus </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_dei_DocumentFiscalPeriodFocus" xlink:to="lab_I790I4L0JIK11214H21K_dei_DocumentFiscalPeriodFocus"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_HFGG41G0KG58_dei_EntityFilerCategory"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_dei_EntityFilerCategory" xml:lang="en-US"> Entity Filer Category </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_dei_EntityFilerCategory" xml:lang="en-US"> Entity Filer Category </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_dei_EntityFilerCategory" xlink:to="lab_JHII63I2MI70_dei_EntityFilerCategory"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntitySmallBusiness" xlink:label="loc_G578G2J8HGI99092F09I_dei_EntitySmallBusiness"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_dei_EntitySmallBusiness" xml:lang="en-US"> Entity Small Business </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_dei_EntitySmallBusiness" xlink:to="lab_I790I4L0JIK11214H21K_dei_EntitySmallBusiness"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:label="loc_HFGG41G0KG58_dei_EntityEmergingGrowthCompany"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_dei_EntityEmergingGrowthCompany" xml:lang="en-US"> Entity Emerging Growth Company </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_dei_EntityEmergingGrowthCompany" xlink:to="lab_JHII63I2MI70_dei_EntityEmergingGrowthCompany"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityExTransitionPeriod" xlink:label="loc_G578G2J8HGI99092F09I_dei_EntityExTransitionPeriod"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_dei_EntityExTransitionPeriod" xml:lang="en-US"> Entity Ex Transition Period </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_dei_EntityExTransitionPeriod" xlink:to="lab_I790I4L0JIK11214H21K_dei_EntityExTransitionPeriod"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_HFGG41G0KG58_dei_EntityCommonStockSharesOutstanding"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_dei_EntityCommonStockSharesOutstanding" xml:lang="en-US"> Entity Common Stock Shares Outstanding </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_dei_EntityCommonStockSharesOutstanding" xml:lang="en-US"> Entity Common Stock, Shares Outstanding </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_JHII63I2MI70_dei_EntityCommonStockSharesOutstanding"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_StatementOfFinancialPositionAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementOfFinancialPositionAbstract" xml:lang="en-US"> Consolidated Balance Sheets [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementOfFinancialPositionAbstract" xml:lang="en-US"> Statement of Financial Position [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_StatementOfFinancialPositionAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_StatementOfFinancialPositionAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_AssetsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AssetsAbstract" xml:lang="en-US"> Assets [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AssetsAbstract" xml:lang="en-US"> Assets </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AssetsAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_AssetsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AssetsCurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AssetsCurrentAbstract" xml:lang="en-US"> Assets Current [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AssetsCurrentAbstract" xml:lang="en-US"> Current assets: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AssetsCurrentAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AssetsCurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_HFGG41G0KG58_us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US"> Cash and Cash Equivalents, at Carrying Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US"> Cash and cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US"> Cash and cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US"> Cash and cash equivalents (excluding discontinued operations) at end of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US"> Cash and cash equivalents at beginning of year </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US"> Cash and cash equivalents at end of year </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="lab_JHII63I2MI70_us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtSecuritiesCurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DebtSecuritiesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DebtSecuritiesCurrent" xml:lang="en-US"> Debt Securities, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DebtSecuritiesCurrent" xml:lang="en-US"> Debt securities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DebtSecuritiesCurrent" xml:lang="en-US"> Fair Value </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DebtSecuritiesCurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DebtSecuritiesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_ReceivablesNetCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ReceivablesNetCurrent" xml:lang="en-US"> Receivables Net Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ReceivablesNetCurrent" xml:lang="en-US"> Trade accounts receivable, net of allowance for doubtful accounts of $5,173 at April 30, 2017 and $4,818 at July 31, 2016 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ReceivablesNetCurrent" xml:lang="en-US"> Trade accounts receivable, net of allowance for doubtful accounts of $3,037 at January 31, 2019 and $3,166 at July 31, 2018 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_ReceivablesNetCurrent" xml:lang="en-US"> Receivable from Rafael Holdings, Inc. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ReceivablesNetCurrent" xlink:to="lab_JHII63I2MI70_us-gaap_ReceivablesNetCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_PrepaidExpenseCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PrepaidExpenseCurrent" xml:lang="en-US"> Prepaid Expense Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PrepaidExpenseCurrent" xml:lang="en-US"> Prepaid expenses </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_PrepaidExpenseCurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_PrepaidExpenseCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_OtherAssetsCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OtherAssetsCurrent" xml:lang="en-US"> Other Assets, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherAssetsCurrent" xml:lang="en-US"> Other current assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherAssetsCurrent" xml:lang="en-US"> other current assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_OtherAssetsCurrent" xml:lang="en-US"> Other current assets </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OtherAssetsCurrent" xlink:to="lab_JHII63I2MI70_us-gaap_OtherAssetsCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Assets, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> Assets held for sale </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> TOTAL CURRENT ASSETS HELD FOR SALE </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> Total current assets held for sale </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> TOTAL CURRENT ASSETS HELD FOR SALE </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_AssetsCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AssetsCurrent" xml:lang="en-US"> Assets Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AssetsCurrent" xml:lang="en-US"> TOTAL CURRENT ASSETS HELD FOR SALE </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AssetsCurrent" xml:lang="en-US"> Total current assets </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AssetsCurrent" xlink:to="lab_JHII63I2MI70_us-gaap_AssetsCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_PropertyPlantAndEquipmentNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US"> Property, Plant and Equipment, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US"> Property, plant and equipment, net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US"> Net </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_PropertyPlantAndEquipmentNet" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_PropertyPlantAndEquipmentNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_HFGG41G0KG58_us-gaap_Goodwill"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_Goodwill" xml:lang="en-US"> Goodwill </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_Goodwill" xml:lang="en-US"> Goodwill </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_JHII63I2MI70_us-gaap_Goodwill" xml:lang="en-US"> Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_JHII63I2MI70_us-gaap_Goodwill" xml:lang="en-US"> Ending Balance </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_Goodwill" xlink:to="lab_JHII63I2MI70_us-gaap_Goodwill"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OtherIntangibleAssetsNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherIntangibleAssetsNet" xml:lang="en-US"> Other Intangible Assets, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherIntangibleAssetsNet" xml:lang="en-US"> Other intangibles, net </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OtherIntangibleAssetsNet" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OtherIntangibleAssetsNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermInvestments" xlink:label="loc_HFGG41G0KG58_us-gaap_LongTermInvestments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_LongTermInvestments" xml:lang="en-US"> Long-term Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LongTermInvestments" xml:lang="en-US"> Equity investments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_LongTermInvestments" xlink:to="lab_JHII63I2MI70_us-gaap_LongTermInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DeferredTaxAssetsNetNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DeferredTaxAssetsNetNoncurrent" xml:lang="en-US"> Deferred Tax Assets Net Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DeferredTaxAssetsNetNoncurrent" xml:lang="en-US"> Deferred income tax assets, net </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DeferredTaxAssetsNetNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_OtherAssetsNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OtherAssetsNoncurrent" xml:lang="en-US"> Other Assets Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherAssetsNoncurrent" xml:lang="en-US"> Other assets </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OtherAssetsNoncurrent" xlink:to="lab_JHII63I2MI70_us-gaap_OtherAssetsNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" xml:lang="en-US"> Assets held for sale </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" xml:lang="en-US"> Other assets </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="loc_HFGG41G0KG58_us-gaap_Assets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_Assets" xml:lang="en-US"> Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_Assets" xml:lang="en-US"> Total assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_Assets" xml:lang="en-US"> Total assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_Assets" xml:lang="en-US"> Total assets </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_Assets" xlink:to="lab_JHII63I2MI70_us-gaap_Assets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US"> Liabilities and Equity [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US"> Liabilities and equity </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_LiabilitiesCurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesCurrentAbstract" xml:lang="en-US"> Liabilities Current [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesCurrentAbstract" xml:lang="en-US"> Current liabilities: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_LiabilitiesCurrentAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_LiabilitiesCurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AccountsPayableCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccountsPayableCurrent" xml:lang="en-US"> Accounts Payable Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccountsPayableCurrent" xml:lang="en-US"> Trade accounts payable </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AccountsPayableCurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AccountsPayableCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_AccruedLiabilitiesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AccruedLiabilitiesCurrent" xml:lang="en-US"> Accrued Liabilities, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AccruedLiabilitiesCurrent" xml:lang="en-US"> Accrued expenses </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AccruedLiabilitiesCurrent" xml:lang="en-US"> TOTAL </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AccruedLiabilitiesCurrent" xlink:to="lab_JHII63I2MI70_us-gaap_AccruedLiabilitiesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DeferredRevenueCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DeferredRevenueCurrent" xml:lang="en-US"> Deferred Revenue Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DeferredRevenueCurrent" xml:lang="en-US"> Deferred revenue </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DeferredRevenueCurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DeferredRevenueCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_OtherLiabilitiesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OtherLiabilitiesCurrent" xml:lang="en-US"> Other Liabilities, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherLiabilitiesCurrent" xml:lang="en-US"> Other current liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherLiabilitiesCurrent" xml:lang="en-US"> Balance, beginning of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherLiabilitiesCurrent" xml:lang="en-US"> Balance, end of period </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OtherLiabilitiesCurrent" xlink:to="lab_JHII63I2MI70_us-gaap_OtherLiabilitiesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Liabilities, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> Liabilities held for sale </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> Total current liabilities held for sale </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> Current liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> Current liabilities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_LiabilitiesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesCurrent" xml:lang="en-US"> Liabilities Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesCurrent" xml:lang="en-US"> Total current liabilities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_LiabilitiesCurrent" xlink:to="lab_JHII63I2MI70_us-gaap_LiabilitiesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OtherLiabilitiesNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherLiabilitiesNoncurrent" xml:lang="en-US"> Other Liabilities Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherLiabilitiesNoncurrent" xml:lang="en-US"> Other liabilities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OtherLiabilitiesNoncurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OtherLiabilitiesNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xml:lang="en-US"> Liabilities held for sale </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xml:lang="en-US"> TOTAL NONCURRENT LIABILITIES HELD FOR SALE </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/zeroLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xml:lang="en-US"> Total noncurrent liabilities held for sale </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xml:lang="en-US"> TOTAL NONCURRENT LIABILITIES HELD FOR SALE </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xlink:to="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_Liabilities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_Liabilities" xml:lang="en-US"> Liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_Liabilities" xml:lang="en-US"> Total liabilities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_Liabilities" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_Liabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_HFGG41G0KG58_us-gaap_CommitmentsAndContingencies"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CommitmentsAndContingencies" xml:lang="en-US"> Commitments And Contingencies </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CommitmentsAndContingencies" xml:lang="en-US"> Commitments and contingencies </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CommitmentsAndContingencies" xlink:to="lab_JHII63I2MI70_us-gaap_CommitmentsAndContingencies"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_StockholdersEquityAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StockholdersEquityAbstract" xml:lang="en-US"> Stockholders Equity [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StockholdersEquityAbstract" xml:lang="en-US"> IDT Corporation stockholders' equity: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_StockholdersEquityAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_StockholdersEquityAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_HFGG41G0KG58_us-gaap_PreferredStockValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_PreferredStockValue" xml:lang="en-US"> Preferred Stock Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_PreferredStockValue" xml:lang="en-US"> Preferred stock, $.01 par value; authorized shares-10,000; no shares issued </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_PreferredStockValue" xml:lang="en-US"> Preferred stock, $.01 par value; authorized shares-10,000; no shares issued </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_PreferredStockValue" xlink:to="lab_JHII63I2MI70_us-gaap_PreferredStockValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_CommonStockValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommonStockValue" xml:lang="en-US"> Common Stock Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommonStockValue" xml:lang="en-US"> Common stock, value </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_CommonStockValue" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_CommonStockValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_HFGG41G0KG58_us-gaap_AdditionalPaidInCapital"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AdditionalPaidInCapital" xml:lang="en-US"> Additional Paid in Capital </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AdditionalPaidInCapital" xml:lang="en-US"> Additional paid-in capital </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AdditionalPaidInCapital" xlink:to="lab_JHII63I2MI70_us-gaap_AdditionalPaidInCapital"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_TreasuryStockValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_TreasuryStockValue" xml:lang="en-US"> Treasury Stock Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_TreasuryStockValue" xml:lang="en-US"> Treasury stock, at cost, consisting of 1,698 and 1,698 shares of Class A common stock and 906 and 2,722 shares of Class B common stock at January 31, 2019 and July 31, 2018, respectively </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_TreasuryStockValue" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_TreasuryStockValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_HFGG41G0KG58_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss), Net of Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Accumulated other comprehensive loss </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Beginning balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Ending balance </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="lab_JHII63I2MI70_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_RetainedEarningsAccumulatedDeficit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US"> Retained Earnings Accumulated Deficit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US"> Accumulated deficit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US"> Accumulated deficit </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_RetainedEarningsAccumulatedDeficit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_HFGG41G0KG58_us-gaap_StockholdersEquity"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_StockholdersEquity" xml:lang="en-US"> Stockholders' Equity Attributable to Parent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_StockholdersEquity" xml:lang="en-US"> Total IDT Corporation stockholders' equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_StockholdersEquity" xml:lang="en-US"> Total IDT Corporation stockholders' equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_JHII63I2MI70_us-gaap_StockholdersEquity" xml:lang="en-US"> Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_JHII63I2MI70_us-gaap_StockholdersEquity" xml:lang="en-US"> Ending Balance </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_StockholdersEquity" xlink:to="lab_JHII63I2MI70_us-gaap_StockholdersEquity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_MinorityInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_MinorityInterest" xml:lang="en-US"> Stockholders' Equity Attributable to Noncontrolling Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_MinorityInterest" xml:lang="en-US"> Noncontrolling interests </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_MinorityInterest" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_MinorityInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_HFGG41G0KG58_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US"> Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US"> Total equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_JHII63I2MI70_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US"> Beginning Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_JHII63I2MI70_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US"> Ending Balance </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_JHII63I2MI70_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_LiabilitiesAndStockholdersEquity"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US"> Liabilities And Stockholders Equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US"> Total liabilities and equity </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_LiabilitiesAndStockholdersEquity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xml:lang="en-US"> Allowance for Doubtful Accounts Receivable, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xml:lang="en-US"> Allowance for doubtful accounts </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xml:lang="en-US"> Allowance for doubtful accounts, Balance at beginning of year </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xml:lang="en-US"> Allowance for doubtful accounts, Balance at end of year </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:to="lab_JHII63I2MI70_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_PreferredStockParOrStatedValuePerShare"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PreferredStockParOrStatedValuePerShare" xml:lang="en-US"> Preferred Stock Par Or Stated Value Per Share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PreferredStockParOrStatedValuePerShare" xml:lang="en-US"> Preferred stock, par value </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_PreferredStockParOrStatedValuePerShare"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_HFGG41G0KG58_us-gaap_PreferredStockSharesAuthorized"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_PreferredStockSharesAuthorized" xml:lang="en-US"> Preferred Stock Shares Authorized </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_PreferredStockSharesAuthorized" xml:lang="en-US"> Preferred stock, shares authorized </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_PreferredStockSharesAuthorized" xlink:to="lab_JHII63I2MI70_us-gaap_PreferredStockSharesAuthorized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_PreferredStockSharesIssued"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PreferredStockSharesIssued" xml:lang="en-US"> Preferred Stock Shares Issued </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PreferredStockSharesIssued" xml:lang="en-US"> Preferred stock, shares issued </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_PreferredStockSharesIssued" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_PreferredStockSharesIssued"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_HFGG41G0KG58_us-gaap_CommonStockParOrStatedValuePerShare"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CommonStockParOrStatedValuePerShare" xml:lang="en-US"> Common Stock Par Or Stated Value Per Share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CommonStockParOrStatedValuePerShare" xml:lang="en-US"> Common stock, par value </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="lab_JHII63I2MI70_us-gaap_CommonStockParOrStatedValuePerShare"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_CommonStockSharesAuthorized"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommonStockSharesAuthorized" xml:lang="en-US"> Common Stock Shares Authorized </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommonStockSharesAuthorized" xml:lang="en-US"> Common stock, shares authorized </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_CommonStockSharesAuthorized" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_CommonStockSharesAuthorized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_HFGG41G0KG58_us-gaap_CommonStockSharesIssued"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CommonStockSharesIssued" xml:lang="en-US"> Common Stock Shares Issued </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CommonStockSharesIssued" xml:lang="en-US"> Common stock, shares issued </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CommonStockSharesIssued" xlink:to="lab_JHII63I2MI70_us-gaap_CommonStockSharesIssued"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_CommonStockSharesOutstanding"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommonStockSharesOutstanding" xml:lang="en-US"> Common Stock Shares Outstanding </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommonStockSharesOutstanding" xml:lang="en-US"> Common stock, shares outstanding </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_CommonStockSharesOutstanding" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_CommonStockSharesOutstanding"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_HFGG41G0KG58_us-gaap_TreasuryStockShares"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_TreasuryStockShares" xml:lang="en-US"> Treasury Stock, Shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_TreasuryStockShares" xml:lang="en-US"> Treasury stock, common stock shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_TreasuryStockShares" xml:lang="en-US"> Treasury shares </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_TreasuryStockShares" xlink:to="lab_JHII63I2MI70_us-gaap_TreasuryStockShares"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_IncomeStatementAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeStatementAbstract" xml:lang="en-US"> Consolidated Statements of Operations [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeStatementAbstract" xml:lang="en-US"> Income Statement [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_IncomeStatementAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_IncomeStatementAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Revenues" xlink:label="loc_HFGG41G0KG58_us-gaap_Revenues"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_Revenues" xml:lang="en-US"> Revenues </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_Revenues" xml:lang="en-US"> TOTAL REVENUES </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_Revenues" xml:lang="en-US"> Revenues </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_Revenues" xml:lang="en-US"> TOTAL REVENUES </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_Revenues" xml:lang="en-US"> Revenues </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/measurementGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_Revenues" xml:lang="en-US"> Revenues, Total </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_Revenues" xlink:to="lab_JHII63I2MI70_us-gaap_Revenues"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OperatingExpensesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OperatingExpensesAbstract" xml:lang="en-US"> Operating Expenses [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OperatingExpensesAbstract" xml:lang="en-US"> Costs and expenses: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OperatingExpensesAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OperatingExpensesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_HFGG41G0KG58_us-gaap_CostOfRevenue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CostOfRevenue" xml:lang="en-US"> Cost of Revenue </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CostOfRevenue" xml:lang="en-US"> Direct cost of revenues </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CostOfRevenue" xml:lang="en-US"> Direct cost of revenues (exclusive of depreciation and amortization) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_CostOfRevenue" xml:lang="en-US"> Direct cost of revenues </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CostOfRevenue" xlink:to="lab_JHII63I2MI70_us-gaap_CostOfRevenue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_SellingGeneralAndAdministrativeExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SellingGeneralAndAdministrativeExpense" xml:lang="en-US"> Selling, General and Administrative Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SellingGeneralAndAdministrativeExpense" xml:lang="en-US"> Selling, general and administrative </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SellingGeneralAndAdministrativeExpense" xml:lang="en-US"> selling, general and administrative expenses </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_SellingGeneralAndAdministrativeExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_HFGG41G0KG58_us-gaap_DepreciationAndAmortization"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DepreciationAndAmortization" xml:lang="en-US"> Depreciation, Depletion and Amortization, Nonproduction </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DepreciationAndAmortization" xml:lang="en-US"> Depreciation and amortization </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DepreciationAndAmortization" xml:lang="en-US"> Depreciation and amortization </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DepreciationAndAmortization" xlink:to="lab_JHII63I2MI70_us-gaap_DepreciationAndAmortization"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SeveranceCosts1" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_SeveranceCosts1"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SeveranceCosts1" xml:lang="en-US"> Severance Costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SeveranceCosts1" xml:lang="en-US"> Severance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SeveranceCosts1" xml:lang="en-US"> Severance expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SeveranceCosts1" xml:lang="en-US"> Severance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SeveranceCosts1" xml:lang="en-US"> Severance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SeveranceCosts1" xml:lang="en-US"> Severance expense </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_SeveranceCosts1" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_SeveranceCosts1"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_HFGG41G0KG58_us-gaap_OperatingExpenses"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OperatingExpenses" xml:lang="en-US"> Operating Expenses </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OperatingExpenses" xml:lang="en-US"> Total costs and expenses </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OperatingExpenses" xlink:to="lab_JHII63I2MI70_us-gaap_OperatingExpenses"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherGeneralExpense" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OtherGeneralExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherGeneralExpense" xml:lang="en-US"> Other General Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherGeneralExpense" xml:lang="en-US"> Other operating expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherGeneralExpense" xml:lang="en-US"> Legal fees </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/negativeVerboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherGeneralExpense" xml:lang="en-US"> Other operating expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherGeneralExpense" xml:lang="en-US"> Incurred legal fees </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherGeneralExpense" xml:lang="en-US"> Other operating expense, net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherGeneralExpense" xml:lang="en-US"> Other operating expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherGeneralExpense" xml:lang="en-US"> Other operating income (expense), net </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OtherGeneralExpense" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OtherGeneralExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_HFGG41G0KG58_us-gaap_OperatingIncomeLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OperatingIncomeLoss" xml:lang="en-US"> Operating Income (Loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OperatingIncomeLoss" xml:lang="en-US"> Income (loss) from operations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OperatingIncomeLoss" xml:lang="en-US"> Income (loss) from operations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OperatingIncomeLoss" xml:lang="en-US"> Income (loss) from operations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_OperatingIncomeLoss" xml:lang="en-US"> Income from operations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_OperatingIncomeLoss" xml:lang="en-US"> Loss from operations expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/exampleGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_OperatingIncomeLoss" xml:lang="en-US"> Income (loss) from operations </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OperatingIncomeLoss" xlink:to="lab_JHII63I2MI70_us-gaap_OperatingIncomeLoss"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_InterestIncomeExpenseNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_InterestIncomeExpenseNet" xml:lang="en-US"> Interest Income Expense Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_InterestIncomeExpenseNet" xml:lang="en-US"> Interest income, net </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_InterestIncomeExpenseNet" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_InterestIncomeExpenseNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_HFGG41G0KG58_us-gaap_NonoperatingIncomeExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_NonoperatingIncomeExpense" xml:lang="en-US"> Nonoperating Income (Expense) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_NonoperatingIncomeExpense" xml:lang="en-US"> Other expense, net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_NonoperatingIncomeExpense" xml:lang="en-US"> Other income (expense), net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_NonoperatingIncomeExpense" xml:lang="en-US"> Total other income (expense), net </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_NonoperatingIncomeExpense" xlink:to="lab_JHII63I2MI70_us-gaap_NonoperatingIncomeExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US"> Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US"> Loss before income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US"> (LOSS) INCOME BEFORE INCOME TAXES </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/zeroLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US"> Loss before income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US"> Income (loss) before income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US"> INCOME BEFORE INCOME TAXES </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US"> Loss before income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/measurementGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US"> INCOME BEFORE INCOME TAXES </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_HFGG41G0KG58_us-gaap_IncomeTaxExpenseBenefit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> Income Tax Expense (Benefit) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> Income tax benefit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> Benefit from income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> BENEFIT FROM (PROVISION FOR) INCOME TAXES </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> (PROVISION FOR) BENEFIT FROM </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> Benefit from income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> BENEFIT FROM (PROVISION FOR) INCOME TAXES </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> (Provision for) benefit from income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> BENEFIT FROM (PROVISION FOR) INCOME TAXES </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> (PROVISION FOR) BENEFIT FROM INCOME TAXES </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> (PROVISION FOR) BENEFIT FROM INCOME TAXES </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_IncomeTaxExpenseBenefit" xlink:to="lab_JHII63I2MI70_us-gaap_IncomeTaxExpenseBenefit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ProfitLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProfitLoss" xml:lang="en-US"> Net Income (Loss), Including Portion Attributable to Noncontrolling Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProfitLoss" xml:lang="en-US"> Net income (loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProfitLoss" xml:lang="en-US"> Net income for the year ended July </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProfitLoss" xml:lang="en-US"> Net income (loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProfitLoss" xml:lang="en-US"> Net income (loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProfitLoss" xml:lang="en-US"> Net loss </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProfitLoss" xml:lang="en-US"> Net loss </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/exampleGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProfitLoss" xml:lang="en-US"> Net (loss) income </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ProfitLoss" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ProfitLoss"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_HFGG41G0KG58_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US"> Net Income Loss Attributable To Noncontrolling Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US"> Net income attributable to noncontrolling interests </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="lab_JHII63I2MI70_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_NetIncomeLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NetIncomeLoss" xml:lang="en-US"> Net Income (Loss) Attributable to Parent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NetIncomeLoss" xml:lang="en-US"> NET INCOME ATTRIBUTABLE TO IDT CORPORATION </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NetIncomeLoss" xml:lang="en-US"> Net income (loss) attributable to IDT Corporation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NetIncomeLoss" xml:lang="en-US"> Net income (loss) attributable to IDT Corporation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NetIncomeLoss" xml:lang="en-US"> NET INCOME ATTRIBUTABLE TO IDT CORPORATION </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NetIncomeLoss" xml:lang="en-US"> Net (loss) income attributable to IDT Corporation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NetIncomeLoss" xml:lang="en-US"> Net loss </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_NetIncomeLoss" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_NetIncomeLoss"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_EarningsPerShareBasicAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_EarningsPerShareBasicAbstract" xml:lang="en-US"> Earnings Per Share, Basic [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_EarningsPerShareBasicAbstract" xml:lang="en-US"> Earnings (loss) per share attributable to IDT Corporation common stockholders: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_EarningsPerShareBasicAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_EarningsPerShareBasicAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_EarningsPerShareBasic"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EarningsPerShareBasic" xml:lang="en-US"> Earnings Per Share, Basic </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EarningsPerShareBasic" xml:lang="en-US"> Basic </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_EarningsPerShareBasic" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_EarningsPerShareBasic"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_HFGG41G0KG58_us-gaap_EarningsPerShareDiluted"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_EarningsPerShareDiluted" xml:lang="en-US"> Earnings Per Share, Diluted </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_EarningsPerShareDiluted" xml:lang="en-US"> Diluted </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_EarningsPerShareDiluted" xlink:to="lab_JHII63I2MI70_us-gaap_EarningsPerShareDiluted"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Basic [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xml:lang="en-US"> Weighted-average number of shares used in calculation of earnings (loss) per share: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_HFGG41G0KG58_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Basic </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US"> Basic weighted-average number of shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US"> Basic </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="lab_JHII63I2MI70_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US"> Weighted Average Number of Shares Outstanding, Diluted </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US"> Diluted </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US"> Diluted weighted-average number of shares </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_HFGG41G0KG58_us-gaap_ShareBasedCompensation"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ShareBasedCompensation" xml:lang="en-US"> (i) Stock-based compensation included in selling, general and administrative expenses </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ShareBasedCompensation" xml:lang="en-US"> Stock-based compensation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ShareBasedCompensation" xml:lang="en-US"> (i) Stock-based compensation included in selling, general and administrative expenses </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_ShareBasedCompensation" xml:lang="en-US"> Stock-based compensation expense </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ShareBasedCompensation" xlink:to="lab_JHII63I2MI70_us-gaap_ShareBasedCompensation"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xml:lang="en-US"> Consolidated Statements of Comprehensive Income [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xml:lang="en-US"> Statement of Comprehensive Income [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xml:lang="en-US"> Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xml:lang="en-US"> Other comprehensive (loss) income: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xml:lang="en-US"> Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xml:lang="en-US"> Change in unrealized loss on available-for-sale securities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xml:lang="en-US"> Change in unrealized (loss) gain on available-for-sale securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:label="loc_HFGG41G0KG58_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xml:lang="en-US"> Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xml:lang="en-US"> Foreign currency translation adjustments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:to="lab_JHII63I2MI70_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Other Comprehensive Income (Loss), Net of Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Other comprehensive loss </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Other comprehensive income (loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Other comprehensive loss </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/zeroTerseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Net other comprehensive loss attributable to IDT Corporation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Other comprehensive (loss) income </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Net other comprehensive income (loss) attributable to IDT Corporation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Other comprehensive loss/income </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/measurementGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Other comprehensive income attributable to IDT Corporation </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_HFGG41G0KG58_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US"> Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US"> Comprehensive income </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US"> Comprehensive income (loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US"> Comprehensive income </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US"> Comprehensive income (loss) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_JHII63I2MI70_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US"> Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US"> Comprehensive income attributable to noncontrolling interests </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_HFGG41G0KG58_us-gaap_ComprehensiveIncomeNetOfTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ComprehensiveIncomeNetOfTax" xml:lang="en-US"> Comprehensive Income Net Of Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ComprehensiveIncomeNetOfTax" xml:lang="en-US"> Comprehensive income (loss) attributable to IDT Corporation </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="lab_JHII63I2MI70_us-gaap_ComprehensiveIncomeNetOfTax"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_StatementOfStockholdersEquityAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementOfStockholdersEquityAbstract" xml:lang="en-US"> Statement of Stockholders' Equity [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_StatementOfStockholdersEquityAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidatedEntitiesAxis" xlink:label="loc_HFGG41G0KG58_srt_ConsolidatedEntitiesAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_srt_ConsolidatedEntitiesAxis" xml:lang="en-US"> Consolidated Entities [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_srt_ConsolidatedEntitiesAxis" xlink:to="lab_JHII63I2MI70_srt_ConsolidatedEntitiesAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidatedEntitiesDomain" xlink:label="loc_G578G2J8HGI99092F09I_srt_ConsolidatedEntitiesDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_srt_ConsolidatedEntitiesDomain" xml:lang="en-US"> Consolidated Entities [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_srt_ConsolidatedEntitiesDomain" xlink:to="lab_I790I4L0JIK11214H21K_srt_ConsolidatedEntitiesDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ParentCompanyMember" xlink:label="loc_HFGG41G0KG58_srt_ParentCompanyMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_srt_ParentCompanyMember" xml:lang="en-US"> Parent Company [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_srt_ParentCompanyMember" xml:lang="en-US"> IDT Corp </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_srt_ParentCompanyMember" xlink:to="lab_JHII63I2MI70_srt_ParentCompanyMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_StatementEquityComponentsAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementEquityComponentsAxis" xml:lang="en-US"> Equity Components [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementEquityComponentsAxis" xml:lang="en-US"> Equity Components [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_StatementEquityComponentsAxis" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_StatementEquityComponentsAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_HFGG41G0KG58_us-gaap_EquityComponentDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_EquityComponentDomain" xml:lang="en-US"> Equity Component [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_EquityComponentDomain" xml:lang="en-US"> Equity Component [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_EquityComponentDomain" xlink:to="lab_JHII63I2MI70_us-gaap_EquityComponentDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AdditionalPaidInCapitalMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AdditionalPaidInCapitalMember" xml:lang="en-US"> Additional Paid-in Capital [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AdditionalPaidInCapitalMember" xml:lang="en-US"> Additional Paid-In Capital </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AdditionalPaidInCapitalMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AdditionalPaidInCapitalMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_HFGG41G0KG58_us-gaap_TreasuryStockMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_TreasuryStockMember" xml:lang="en-US"> Treasury Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_TreasuryStockMember" xml:lang="en-US"> Treasury Stock </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_TreasuryStockMember" xlink:to="lab_JHII63I2MI70_us-gaap_TreasuryStockMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US"> AOCI Attributable to Parent [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US"> Accumulated Other Comprehensive Loss </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US"> Accumulated other comprehensive loss [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_HFGG41G0KG58_us-gaap_RetainedEarningsMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_RetainedEarningsMember" xml:lang="en-US"> Retained Earnings [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_RetainedEarningsMember" xml:lang="en-US"> Accumulated deficit [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_RetainedEarningsMember" xml:lang="en-US"> Accumulated Deficit </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_RetainedEarningsMember" xlink:to="lab_JHII63I2MI70_us-gaap_RetainedEarningsMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_NoncontrollingInterestMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NoncontrollingInterestMember" xml:lang="en-US"> Noncontrolling Interest [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NoncontrollingInterestMember" xml:lang="en-US"> Noncontrolling Interests [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NoncontrollingInterestMember" xml:lang="en-US"> Noncontrolling Interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NoncontrollingInterestMember" xml:lang="en-US"> Noncontrolling Interests [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_NoncontrollingInterestMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_NoncontrollingInterestMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:label="loc_HFGG41G0KG58_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xml:lang="en-US"> Adjustments for New Accounting Pronouncements [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis" xlink:to="lab_JHII63I2MI70_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TypeOfAdoptionMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_TypeOfAdoptionMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_TypeOfAdoptionMember" xml:lang="en-US"> Type of Adoption [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_TypeOfAdoptionMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_TypeOfAdoptionMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingStandardsUpdate201409Member" xlink:label="loc_HFGG41G0KG58_us-gaap_AccountingStandardsUpdate201409Member"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AccountingStandardsUpdate201409Member" xml:lang="en-US"> Accounting Standards Update 2014-09 [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AccountingStandardsUpdate201409Member" xml:lang="en-US"> ASU 2014-09 </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AccountingStandardsUpdate201409Member" xlink:to="lab_JHII63I2MI70_us-gaap_AccountingStandardsUpdate201409Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingStandardsUpdate201601Member" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AccountingStandardsUpdate201601Member"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccountingStandardsUpdate201601Member" xml:lang="en-US"> Accounting Standards Update 2016-01 [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccountingStandardsUpdate201601Member" xml:lang="en-US"> ASU 2016-01 </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AccountingStandardsUpdate201601Member" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AccountingStandardsUpdate201601Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1" xlink:label="loc_HFGG41G0KG58_us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1" xml:lang="en-US"> Cumulative Effect on Retained Earnings, Net of Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1" xml:lang="en-US"> Adjustment from the adoption of change in revenue recognition (see Note 2)/in accounting for equity investments (see Note 8) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1" xml:lang="en-US"> Deferred revenue </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1" xml:lang="en-US"> Deferred Customer Contract Acquisition Costs </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1" xlink:to="lab_JHII63I2MI70_us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1" xml:lang="en-US"> Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1" xml:lang="en-US"> BALANCE </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1" xml:lang="en-US"> ADJUSTED BALANCE AT JULY 31, 2018 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1" xml:lang="en-US"> ADJUSTED BALANCE AT JULY 31, 2018 </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAdjustedBalance1"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsCash" xlink:label="loc_HFGG41G0KG58_us-gaap_DividendsCash"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DividendsCash" xml:lang="en-US"> Dividends, Cash </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DividendsCash" xml:lang="en-US"> Dividends declared ($0.19 per share) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DividendsCash" xml:lang="en-US"> Dividends declared </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_DividendsCash" xml:lang="en-US"> Dividends declared </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DividendsCash" xml:lang="en-US"> Dividends declared </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DividendsCash" xml:lang="en-US"> Dividends declared </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DividendsCash" xlink:to="lab_JHII63I2MI70_us-gaap_DividendsCash"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_RepurchaseOfRestrictedStock" xlink:label="loc_G578G2J8HGI99092F09I_idt_RepurchaseOfRestrictedStock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_RepurchaseOfRestrictedStock" xml:lang="en-US"> Repurchase Of Restricted Stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_RepurchaseOfRestrictedStock" xml:lang="en-US"> Restricted Class B common stock purchased from employees </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_RepurchaseOfRestrictedStock" xml:lang="en-US"> Repurchase of restricted stock. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_RepurchaseOfRestrictedStock" xlink:to="lab_I790I4L0JIK11214H21K_idt_RepurchaseOfRestrictedStock"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_TransferOfRightToReceiveEquityToRelatedParty" xlink:label="loc_HFGG41G0KG58_idt_TransferOfRightToReceiveEquityToRelatedParty"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_TransferOfRightToReceiveEquityToRelatedParty" xml:lang="en-US"> Transfer Of Right To Receive Equity To Related Party </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_TransferOfRightToReceiveEquityToRelatedParty" xml:lang="en-US"> Transfer of right to receive equity to Howard S. Jonas </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_TransferOfRightToReceiveEquityToRelatedParty" xml:lang="en-US"> Transfer of right to receive equity to related party. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_TransferOfRightToReceiveEquityToRelatedParty" xlink:to="lab_JHII63I2MI70_idt_TransferOfRightToReceiveEquityToRelatedParty"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination" xml:lang="en-US"> Noncontrolling Interest, Increase from Business Combination </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination" xml:lang="en-US"> Consolidation of Lipomedix Pharmaceuticals Ltd. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_RepurchaseOfCommonStockUnderStockRepurchaseProgram" xlink:label="loc_HFGG41G0KG58_idt_RepurchaseOfCommonStockUnderStockRepurchaseProgram"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_RepurchaseOfCommonStockUnderStockRepurchaseProgram" xml:lang="en-US"> Repurchase Of Common Stock Under Stock Repurchase Program </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_idt_RepurchaseOfCommonStockUnderStockRepurchaseProgram" xml:lang="en-US"> Repurchases of Class B common stock through repurchase program </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_RepurchaseOfCommonStockUnderStockRepurchaseProgram" xml:lang="en-US"> Repurchase Of Common Stock Under Stock Repurchase Program. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_RepurchaseOfCommonStockUnderStockRepurchaseProgram" xlink:to="lab_JHII63I2MI70_idt_RepurchaseOfCommonStockUnderStockRepurchaseProgram"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ProceedsFromIssuanceOrSaleOfEquity"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xml:lang="en-US"> Proceeds from Issuance or Sale of Equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xml:lang="en-US"> Sale of Class B common stock to Howard S. Jonas </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromIssuanceOrSaleOfEquity"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_StockBasedCompensation" xlink:label="loc_HFGG41G0KG58_idt_StockBasedCompensation"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_StockBasedCompensation" xml:lang="en-US"> Stock Based Compensation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_StockBasedCompensation" xml:lang="en-US"> Stock-based compensation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_StockBasedCompensation" xml:lang="en-US"> The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_StockBasedCompensation" xlink:to="lab_JHII63I2MI70_idt_StockBasedCompensation"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_DistributionToNoncontrollingInterests" xlink:label="loc_G578G2J8HGI99092F09I_idt_DistributionToNoncontrollingInterests"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_DistributionToNoncontrollingInterests" xml:lang="en-US"> Distribution To Noncontrolling Interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_DistributionToNoncontrollingInterests" xml:lang="en-US"> Distributions to noncontrolling interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_DistributionToNoncontrollingInterests" xml:lang="en-US"> The amount distribution to no controlling interests. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_DistributionToNoncontrollingInterests" xlink:to="lab_I790I4L0JIK11214H21K_idt_DistributionToNoncontrollingInterests"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_HFGG41G0KG58_us-gaap_CommonStockDividendsPerShareDeclared"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CommonStockDividendsPerShareDeclared" xml:lang="en-US"> Common Stock, Dividends, Per Share, Declared </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CommonStockDividendsPerShareDeclared" xml:lang="en-US"> Dividends declared per common share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CommonStockDividendsPerShareDeclared" xml:lang="en-US"> Dividends declared, per share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CommonStockDividendsPerShareDeclared" xml:lang="en-US"> Dividends declared, per share </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CommonStockDividendsPerShareDeclared" xlink:to="lab_JHII63I2MI70_us-gaap_CommonStockDividendsPerShareDeclared"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_StatementOfCashFlowsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementOfCashFlowsAbstract" xml:lang="en-US"> Consolidated Statements of Cash Flows [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementOfCashFlowsAbstract" xml:lang="en-US"> Statement of Cash Flows [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_StatementOfCashFlowsAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_StatementOfCashFlowsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US"> Operating activities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US"> Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US"> Adjustments to reconcile net income to net cash provided by operating activities: </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US"> Adjustments to reconcile net loss to net cash provided by (used in) operating activities: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:label="loc_HFGG41G0KG58_us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DeferredIncomeTaxesAndTaxCredits" xml:lang="en-US"> Deferred Income Taxes And Tax Credits </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DeferredIncomeTaxesAndTaxCredits" xml:lang="en-US"> Deferred income taxes </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:to="lab_JHII63I2MI70_us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ProvisionForDoubtfulAccounts"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProvisionForDoubtfulAccounts" xml:lang="en-US"> Provision for Doubtful Accounts </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProvisionForDoubtfulAccounts" xml:lang="en-US"> Allowance for doubtful accounts, Additions charged to costs and expenses </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProvisionForDoubtfulAccounts" xml:lang="en-US"> Provision for doubtful accounts receivable </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ProvisionForDoubtfulAccounts" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ProvisionForDoubtfulAccounts"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtSecuritiesRealizedGainLoss" xlink:label="loc_HFGG41G0KG58_us-gaap_DebtSecuritiesRealizedGainLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DebtSecuritiesRealizedGainLoss" xml:lang="en-US"> Debt Securities, Realized Gain (Loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DebtSecuritiesRealizedGainLoss" xml:lang="en-US"> Realized loss (gain) on securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DebtSecuritiesRealizedGainLoss" xlink:to="lab_JHII63I2MI70_us-gaap_DebtSecuritiesRealizedGainLoss"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_IncomeLossFromEquityMethodInvestments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromEquityMethodInvestments" xml:lang="en-US"> Income (Loss) from Equity Method Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromEquityMethodInvestments" xml:lang="en-US"> Interest in the equity of investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromEquityMethodInvestments" xml:lang="en-US"> Interest in the equity of investments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_IncomeLossFromEquityMethodInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNoncashExpense" xlink:label="loc_HFGG41G0KG58_us-gaap_OtherNoncashExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OtherNoncashExpense" xml:lang="en-US"> Other Noncash Expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherNoncashExpense" xml:lang="en-US"> Other </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OtherNoncashExpense" xlink:to="lab_JHII63I2MI70_us-gaap_OtherNoncashExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US"> Increase Decrease In Operating Capital [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US"> Change in assets and liabilities: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_HFGG41G0KG58_us-gaap_IncreaseDecreaseInAccountsReceivable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_IncreaseDecreaseInAccountsReceivable" xml:lang="en-US"> Increase Decrease In Accounts Receivable </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncreaseDecreaseInAccountsReceivable" xml:lang="en-US"> Trade accounts receivable </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="lab_JHII63I2MI70_us-gaap_IncreaseDecreaseInAccountsReceivable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xml:lang="en-US"> Increase Decrease In Prepaid Deferred Expense And Other Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xml:lang="en-US"> Prepaid expenses, other current assets and other assets </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_HFGG41G0KG58_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US"> Increase Decrease In Accounts Payable And Accrued Liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US"> Trade accounts payable, accrued expenses, other current liabilities and other liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US"> Trade accounts payable, accrued expenses, other current liabilities and other liabilities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="lab_JHII63I2MI70_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentLiabilities" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities" xml:lang="en-US"> Increase (Decrease) in Other Current Liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities" xml:lang="en-US"> Customer deposits at IDT Financial Services Limited, our Gibraltar-based bank </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:label="loc_HFGG41G0KG58_us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xml:lang="en-US"> Increase (Decrease) in Contract with Customer, Liability </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xml:lang="en-US"> Deferred revenue </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:to="lab_JHII63I2MI70_us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US"> Net Cash Provided by (Used in) Operating Activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US"> Net cash provided by (used in) operating activities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US"> Investing activities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US"> Payments To Acquire Property Plant And Equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US"> Capital expenditures </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_HFGG41G0KG58_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xml:lang="en-US"> Payments to Acquire Businesses, Net of Cash Acquired </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xml:lang="en-US"> Payment for acquisition, net of cash acquired </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xml:lang="en-US"> Payment for acquisition, net of cash acquired </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="lab_JHII63I2MI70_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments" xml:lang="en-US"> Proceeds from Sale, Maturity and Collection of Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments" xml:lang="en-US"> Proceeds from redemption of investments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromSaleMaturityAndCollectionsOfInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:label="loc_HFGG41G0KG58_us-gaap_PaymentsToAcquireInvestments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_PaymentsToAcquireInvestments" xml:lang="en-US"> Payments to Acquire Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_PaymentsToAcquireInvestments" xml:lang="en-US"> Cash used for purchase of investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_us-gaap_PaymentsToAcquireInvestments" xml:lang="en-US"> Cash used for purchase of investments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_PaymentsToAcquireInvestments" xlink:to="lab_JHII63I2MI70_us-gaap_PaymentsToAcquireInvestments"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_RelatedPartyTransactionSaleToRelatedPartyAmount" xlink:label="loc_G578G2J8HGI99092F09I_idt_RelatedPartyTransactionSaleToRelatedPartyAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_RelatedPartyTransactionSaleToRelatedPartyAmount" xml:lang="en-US"> Related Party Transaction Sale To Related Party Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_RelatedPartyTransactionSaleToRelatedPartyAmount" xml:lang="en-US"> Proceeds from sale of interest in Straight Path IP Group Holding, Inc. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_RelatedPartyTransactionSaleToRelatedPartyAmount" xml:lang="en-US"> Related party transaction sale to related party amount. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_RelatedPartyTransactionSaleToRelatedPartyAmount" xlink:to="lab_I790I4L0JIK11214H21K_idt_RelatedPartyTransactionSaleToRelatedPartyAmount"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_LossContingencyPaymentForAssets" xlink:label="loc_HFGG41G0KG58_idt_LossContingencyPaymentForAssets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_LossContingencyPaymentForAssets" xml:lang="en-US"> Loss Contingency Payment For Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_LossContingencyPaymentForAssets" xml:lang="en-US"> Purchase of IP Interest from Straight Path Communications Inc. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_LossContingencyPaymentForAssets" xml:lang="en-US"> Loss contingency payment for assets. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_idt_LossContingencyPaymentForAssets" xml:lang="en-US"> Purchase of IP Interest from Straight Path Communications Inc. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_LossContingencyPaymentForAssets" xlink:to="lab_JHII63I2MI70_idt_LossContingencyPaymentForAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecurities" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_PaymentsToAcquireMarketableSecurities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsToAcquireMarketableSecurities" xml:lang="en-US"> Payments to Acquire Marketable Securities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsToAcquireMarketableSecurities" xml:lang="en-US"> Purchases of marketable securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_PaymentsToAcquireMarketableSecurities" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsToAcquireMarketableSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="loc_HFGG41G0KG58_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xml:lang="en-US"> Proceeds from Sale and Maturity of Marketable Securities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xml:lang="en-US"> Sale of shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xml:lang="en-US"> Proceeds from maturities and sales of marketable securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:to="lab_JHII63I2MI70_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US"> Net cash (used in) provided by investing activities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xml:lang="en-US"> Financing activities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_PaymentsOfDividendsCommonStock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsOfDividendsCommonStock" xml:lang="en-US"> Dividends paid </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsOfDividendsCommonStock" xml:lang="en-US"> Dividends declared ($0.75 per share) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsOfDividendsCommonStock" xml:lang="en-US"> Dividends paid </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_PaymentsOfDividendsCommonStock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsOfDividendsCommonStock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfCapitalDistribution" xlink:label="loc_HFGG41G0KG58_us-gaap_PaymentsOfCapitalDistribution"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_PaymentsOfCapitalDistribution" xml:lang="en-US"> Distributions to noncontrolling interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_PaymentsOfCapitalDistribution" xml:lang="en-US"> Distributions to noncontrolling interests </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_us-gaap_PaymentsOfCapitalDistribution" xml:lang="en-US"> Distributions to noncontrolling interests </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_PaymentsOfCapitalDistribution" xlink:to="lab_JHII63I2MI70_us-gaap_PaymentsOfCapitalDistribution"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ProceedsFromIssuanceOfCommonStock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US"> Proceeds from Issuance of Common Stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US"> Proceeds from sale of Class B common stock to Howard S. Jonas </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US"> Aggregate purchase price </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromIssuanceOfCommonStock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfOtherDebt" xlink:label="loc_HFGG41G0KG58_us-gaap_RepaymentsOfOtherDebt"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_RepaymentsOfOtherDebt" xml:lang="en-US"> Repayments of Other Debt </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_RepaymentsOfOtherDebt" xml:lang="en-US"> Repayment of other liabilities acquired </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_us-gaap_RepaymentsOfOtherDebt" xml:lang="en-US"> Repayment of other liabilities acquired. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_RepaymentsOfOtherDebt" xlink:to="lab_JHII63I2MI70_us-gaap_RepaymentsOfOtherDebt"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ProceedsFromLinesOfCredit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromLinesOfCredit" xml:lang="en-US"> Proceeds from Lines of Credit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromLinesOfCredit" xml:lang="en-US"> Proceeds from borrowings under revolving credit facility </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ProceedsFromLinesOfCredit" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ProceedsFromLinesOfCredit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_HFGG41G0KG58_us-gaap_RepaymentsOfLinesOfCredit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_RepaymentsOfLinesOfCredit" xml:lang="en-US"> Repayments of Lines of Credit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_us-gaap_RepaymentsOfLinesOfCredit" xml:lang="en-US"> Repayments of borrowings under revolving credit facility </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_RepaymentsOfLinesOfCredit" xlink:to="lab_JHII63I2MI70_us-gaap_RepaymentsOfLinesOfCredit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_PaymentsForRepurchaseOfCommonStock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsForRepurchaseOfCommonStock" xml:lang="en-US"> Payments For Repurchase Of Common Stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsForRepurchaseOfCommonStock" xml:lang="en-US"> Repurchases of Class B common stock </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_PaymentsForRepurchaseOfCommonStock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_HFGG41G0KG58_us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US"> Net Cash Provided by (Used in) Financing Activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US"> Net cash provided by (used in) financing activities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="lab_JHII63I2MI70_us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xml:lang="en-US"> Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xml:lang="en-US"> Effect of exchange rate changes on cash, cash equivalents, and restricted cash and cash equivalents </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="loc_HFGG41G0KG58_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xml:lang="en-US"> Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xml:lang="en-US"> Net increase (decrease) in cash, cash equivalents, and restricted cash and cash equivalents </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="lab_JHII63I2MI70_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xml:lang="en-US"> Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xml:lang="en-US"> Cash, cash equivalents and restricted cash and cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xml:lang="en-US"> Total cash, cash equivalents, and restricted cash and cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xml:lang="en-US"> Total cash, cash equivalents, and restricted cash and cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xml:lang="en-US"> Cash, cash equivalents, and restricted cash and cash equivalents at beginning of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xml:lang="en-US"> Cash, cash equivalents, and restricted cash and cash equivalents at end of period </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xml:lang="en-US"> Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xml:lang="en-US"> Supplemental schedule of non-cash financing activities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherSignificantNoncashTransactionValueOfConsiderationGiven1" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OtherSignificantNoncashTransactionValueOfConsiderationGiven1"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherSignificantNoncashTransactionValueOfConsiderationGiven1" xml:lang="en-US"> Other Significant Noncash Transaction, Value of Consideration Given </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherSignificantNoncashTransactionValueOfConsiderationGiven1" xml:lang="en-US"> Howard S. Jonas' advance payment used for sale of Class B common stock </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OtherSignificantNoncashTransactionValueOfConsiderationGiven1" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OtherSignificantNoncashTransactionValueOfConsiderationGiven1"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_AccountingPoliciesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AccountingPoliciesAbstract" xml:lang="en-US"> Basis of Presentation [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AccountingPoliciesAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_AccountingPoliciesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xml:lang="en-US"> Business Description and Basis of Presentation [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xml:lang="en-US"> Basis of Presentation </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueRecognitionAndDeferredRevenueAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_RevenueRecognitionAndDeferredRevenueAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_RevenueRecognitionAndDeferredRevenueAbstract" xml:lang="en-US"> Revenue Recognition [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_RevenueRecognitionAndDeferredRevenueAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_RevenueRecognitionAndDeferredRevenueAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_RevenueFromContractWithCustomerTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_RevenueFromContractWithCustomerTextBlock" xml:lang="en-US"> Revenue from Contract with Customer [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_RevenueFromContractWithCustomerTextBlock" xml:lang="en-US"> Revenue Recognition </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_RevenueFromContractWithCustomerTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract" xml:lang="en-US"> Cash, Cash Equivalents, and Restricted Cash and Cash Equivalents [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsDisclosureTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_CashAndCashEquivalentsDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CashAndCashEquivalentsDisclosureTextBlock" xml:lang="en-US"> Cash and Cash Equivalents Disclosure [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CashAndCashEquivalentsDisclosureTextBlock" xml:lang="en-US"> Cash, Cash Equivalents, and Restricted Cash and Cash Equivalents </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_CashAndCashEquivalentsDisclosureTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_CashAndCashEquivalentsDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract" xlink:label="loc_HFGG41G0KG58_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract" xml:lang="en-US"> IDT Financial Services Holding Limited Assets and Liabilities Held for Sale [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract" xml:lang="en-US"> IDT financial services holding limited assets and liabilities held for sale. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract" xlink:to="lab_JHII63I2MI70_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AssetsAndLiabilitiesHeldForSaleTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_idt_AssetsAndLiabilitiesHeldForSaleTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_AssetsAndLiabilitiesHeldForSaleTextBlock" xml:lang="en-US"> Assets And Liabilities Held For Sale [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_AssetsAndLiabilitiesHeldForSaleTextBlock" xml:lang="en-US"> IDT Financial Services Holding Limited Assets and Liabilities Held for Sale </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_AssetsAndLiabilitiesHeldForSaleTextBlock" xml:lang="en-US"> The entire disclosure for assets and liabilities held for sale. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_AssetsAndLiabilitiesHeldForSaleTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_idt_AssetsAndLiabilitiesHeldForSaleTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationsAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_BusinessCombinationsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationsAbstract" xml:lang="en-US"> Acquisition of Versature Corp [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_BusinessCombinationsAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_BusinessCombinationsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationDisclosureTextBlock" xml:lang="en-US"> Business Combination Disclosure [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationDisclosureTextBlock" xml:lang="en-US"> Acquisition of Versature Corp. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationDisclosureTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_RafaelHoldingsIncSpinOffAbstract" xlink:label="loc_HFGG41G0KG58_idt_RafaelHoldingsIncSpinOffAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_RafaelHoldingsIncSpinOffAbstract" xml:lang="en-US"> Rafael Holdings, Inc. Spin-Off [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_RafaelHoldingsIncSpinOffAbstract" xlink:to="lab_JHII63I2MI70_idt_RafaelHoldingsIncSpinOffAbstract"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_G578G2J8HGI99092F09I_dei_LegalEntityAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_dei_LegalEntityAxis" xml:lang="en-US"> Legal Entity [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_dei_LegalEntityAxis" xlink:to="lab_I790I4L0JIK11214H21K_dei_LegalEntityAxis"/>
<loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd#dei_EntityDomain" xlink:label="loc_HFGG41G0KG58_dei_EntityDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_dei_EntityDomain" xml:lang="en-US"> Entity [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_dei_EntityDomain" xlink:to="lab_JHII63I2MI70_dei_EntityDomain"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_RafaelSpinOffMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_RafaelSpinOffMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_RafaelSpinOffMember" xml:lang="en-US"> Rafael Spin Off [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_RafaelSpinOffMember" xml:lang="en-US"> Rafael Holdings, Inc. Spin-Off [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_RafaelSpinOffMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_RafaelSpinOffMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_DispositionOfSubsidiaryTextBlock" xlink:label="loc_HFGG41G0KG58_idt_DispositionOfSubsidiaryTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_DispositionOfSubsidiaryTextBlock" xml:lang="en-US"> Disposition Of Subsidiary [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_DispositionOfSubsidiaryTextBlock" xml:lang="en-US"> Zedge Spin-Off </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_idt_DispositionOfSubsidiaryTextBlock" xml:lang="en-US"> Rafael Holdings, Inc. Spin-Off </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_DispositionOfSubsidiaryTextBlock" xml:lang="en-US"> The entire disclosure of disposition of subsidiary. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_DispositionOfSubsidiaryTextBlock" xlink:to="lab_JHII63I2MI70_idt_DispositionOfSubsidiaryTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xml:lang="en-US"> Debt Securities [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xml:lang="en-US"> Investments, Debt and Equity Securities [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xml:lang="en-US"> Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosure [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xml:lang="en-US"> Debt Securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_InvestmentsEquitySecuritiesAbstract" xlink:label="loc_G578G2J8HGI99092F09I_idt_InvestmentsEquitySecuritiesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_InvestmentsEquitySecuritiesAbstract" xml:lang="en-US"> Equity Investments [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_InvestmentsEquitySecuritiesAbstract" xlink:to="lab_I790I4L0JIK11214H21K_idt_InvestmentsEquitySecuritiesAbstract"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_EquityInvestmentsDisclosureTextBlock" xlink:label="loc_HFGG41G0KG58_idt_EquityInvestmentsDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_EquityInvestmentsDisclosureTextBlock" xml:lang="en-US"> Equity Investments Disclosure [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_EquityInvestmentsDisclosureTextBlock" xml:lang="en-US"> Equity Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_EquityInvestmentsDisclosureTextBlock" xml:lang="en-US"> The entire disclosure for equity investments. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_EquityInvestmentsDisclosureTextBlock" xlink:to="lab_JHII63I2MI70_idt_EquityInvestmentsDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_FairValueDisclosuresAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueDisclosuresAbstract" xml:lang="en-US"> Fair Value Measurements [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueDisclosuresAbstract" xml:lang="en-US"> Fair Value Disclosures [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_FairValueDisclosuresAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_FairValueDisclosuresAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_FairValueDisclosuresTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueDisclosuresTextBlock" xml:lang="en-US"> Fair Value Disclosures [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueDisclosuresTextBlock" xml:lang="en-US"> Fair Value Measurements </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_FairValueDisclosuresTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_FairValueDisclosuresTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_EquityAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EquityAbstract" xml:lang="en-US"> Equity [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EquityAbstract" xml:lang="en-US"> Stock Repurchases [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_EquityAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_EquityAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_StockholdersEquityNoteDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xml:lang="en-US"> Stockholders' Equity Note Disclosure [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xml:lang="en-US"> Equity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xml:lang="en-US"> Stock Repurchases </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_StockholdersEquityNoteDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_EarningsPerShareAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EarningsPerShareAbstract" xml:lang="en-US"> Earnings (Loss) Per Share [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EarningsPerShareAbstract" xml:lang="en-US"> (Loss) earnings per share attributable to IDT Corporation common stockholders: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_EarningsPerShareAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_EarningsPerShareAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_EarningsPerShareTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_EarningsPerShareTextBlock" xml:lang="en-US"> Earnings Per Share [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_EarningsPerShareTextBlock" xml:lang="en-US"> Earnings (Loss) Per Share </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_EarningsPerShareTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_EarningsPerShareTextBlock"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_RevolvingCreditFacilityAbstract" xlink:label="loc_G578G2J8HGI99092F09I_idt_RevolvingCreditFacilityAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_RevolvingCreditFacilityAbstract" xml:lang="en-US"> Revolving Credit Facility [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_RevolvingCreditFacilityAbstract" xlink:to="lab_I790I4L0JIK11214H21K_idt_RevolvingCreditFacilityAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShortTermDebtTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_ShortTermDebtTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ShortTermDebtTextBlock" xml:lang="en-US"> Short-term Debt [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ShortTermDebtTextBlock" xml:lang="en-US"> Revolving Credit Facility </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ShortTermDebtTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_ShortTermDebtTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xml:lang="en-US"> Accumulated Other Comprehensive Loss [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_ComprehensiveIncomeNoteTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ComprehensiveIncomeNoteTextBlock" xml:lang="en-US"> Comprehensive Income (Loss) Note [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ComprehensiveIncomeNoteTextBlock" xml:lang="en-US"> Accumulated Other Comprehensive Loss </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_ComprehensiveIncomeNoteTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_SegmentReportingAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SegmentReportingAbstract" xml:lang="en-US"> Business Segment Information [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SegmentReportingAbstract" xml:lang="en-US"> Segment Reporting [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_SegmentReportingAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_SegmentReportingAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_SegmentReportingDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_SegmentReportingDisclosureTextBlock" xml:lang="en-US"> Segment Reporting Disclosure [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_SegmentReportingDisclosureTextBlock" xml:lang="en-US"> Business Segment Information </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_SegmentReportingDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xml:lang="en-US"> Commitments and Contingencies [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xml:lang="en-US"> Commitments and Contingencies Disclosure [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LegalMattersAndContingenciesTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_LegalMattersAndContingenciesTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_LegalMattersAndContingenciesTextBlock" xml:lang="en-US"> Legal Matters and Contingencies [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LegalMattersAndContingenciesTextBlock" xml:lang="en-US"> Commitments and Contingencies </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_LegalMattersAndContingenciesTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_LegalMattersAndContingenciesTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OtherIncomeAndExpensesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherIncomeAndExpensesAbstract" xml:lang="en-US"> Other Income (Expense), Net [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherIncomeAndExpensesAbstract" xml:lang="en-US"> Other Income (Expense), Net [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OtherIncomeAndExpensesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock" xml:lang="en-US"> Other Income and Other Expense Disclosure [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock" xml:lang="en-US"> Other Income (Expense), Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock" xml:lang="en-US"> Other Income (Expense), Net </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_IncomeTaxDisclosureAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeTaxDisclosureAbstract" xml:lang="en-US"> The Tax Cuts and Jobs Act [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_IncomeTaxDisclosureAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_IncomeTaxDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_IncomeTaxDisclosureTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxDisclosureTextBlock" xml:lang="en-US"> Income Tax Disclosure [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxDisclosureTextBlock" xml:lang="en-US"> The Tax Cuts and Jobs Act </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_IncomeTaxDisclosureTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_IncomeTaxDisclosureTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xml:lang="en-US"> Recently Issued Accounting Standard Not Yet Adopted [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted" xlink:label="loc_HFGG41G0KG58_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted" xml:lang="en-US"> Recently Issued Accounting Standards Not Yet Adopted </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted" xml:lang="en-US"> Recently Issued Accounting Standard Not Yet Adopted </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted" xlink:to="lab_JHII63I2MI70_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xml:lang="en-US"> Revenue from External Customers by Products and Services [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xml:lang="en-US"> Schedule of revenues disaggregated by business segment and service offered to customers </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_DisaggregationOfRevenueTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DisaggregationOfRevenueTableTextBlock" xml:lang="en-US"> Disaggregation of Revenue [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DisaggregationOfRevenueTableTextBlock" xml:lang="en-US"> Schedule of revenues disaggregated by its core operations, growth initiatives and other </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_DisaggregationOfRevenueTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock" xml:lang="en-US"> Revenue from External Customers by Geographic Areas [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock" xml:lang="en-US"> Schedule of revenues disaggregated by geographic region </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_RevenueFromExternalCustomersByGeographicAreasTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xml:lang="en-US"> Contract with Customer, Asset and Liability [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xml:lang="en-US"> Schedule of information about contract liability balance </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock" xml:lang="en-US"> Restrictions on Cash and Cash Equivalents [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock" xml:lang="en-US"> Schedule of cash, cash equivalents, and restricted cash and cash equivalents </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTextBlock"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable" xlink:label="loc_HFGG41G0KG58_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable" xml:lang="en-US"> Schedule of Assets and Liabilities Held for Sale [Table] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable" xml:lang="en-US"> Disclosur of information about assets and liabilities held for sale. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable" xlink:to="lab_JHII63I2MI70_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_IdtFinancialServicesHoldingLimitedMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_IdtFinancialServicesHoldingLimitedMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_IdtFinancialServicesHoldingLimitedMember" xml:lang="en-US"> Idt Financial Services Holding Limited [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_IdtFinancialServicesHoldingLimitedMember" xml:lang="en-US"> IDT Financial Services Holding Limited [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_IdtFinancialServicesHoldingLimitedMember" xml:lang="en-US"> IDTFS Holding [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_IdtFinancialServicesHoldingLimitedMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_IdtFinancialServicesHoldingLimitedMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AssetsAndHeldForSaleLineItems" xlink:label="loc_HFGG41G0KG58_idt_AssetsAndHeldForSaleLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_AssetsAndHeldForSaleLineItems" xml:lang="en-US"> Assets and Held for Sale [Line Items] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_AssetsAndHeldForSaleLineItems" xml:lang="en-US"> Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_AssetsAndHeldForSaleLineItems" xlink:to="lab_JHII63I2MI70_idt_AssetsAndHeldForSaleLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AssetsAndLiabilitiesHeldForSaleAbstract" xlink:label="loc_G578G2J8HGI99092F09I_idt_AssetsAndLiabilitiesHeldForSaleAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_AssetsAndLiabilitiesHeldForSaleAbstract" xml:lang="en-US"> Assets And Liabilities Held For Sale [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_AssetsAndLiabilitiesHeldForSaleAbstract" xml:lang="en-US"> Assets and Liabilities Held for Sale </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_AssetsAndLiabilitiesHeldForSaleAbstract" xlink:to="lab_I790I4L0JIK11214H21K_idt_AssetsAndLiabilitiesHeldForSaleAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock" xml:lang="en-US"> Disclosure of Long Lived Assets Held-for-sale [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock" xml:lang="en-US"> Schedule of assets and liabilities held for sale </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ScheduleOfCondensedIncomeStatementTableTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_srt_ScheduleOfCondensedIncomeStatementTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_srt_ScheduleOfCondensedIncomeStatementTableTextBlock" xml:lang="en-US"> Condensed Income Statement [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_srt_ScheduleOfCondensedIncomeStatementTableTextBlock" xml:lang="en-US"> Schedule of consolidated statements of operations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_srt_ScheduleOfCondensedIncomeStatementTableTextBlock" xml:lang="en-US"> Schedule of consolidated statements of operations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_I790I4L0JIK11214H21K_srt_ScheduleOfCondensedIncomeStatementTableTextBlock" xml:lang="en-US"> Schedule of consolidated statements of operations </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_srt_ScheduleOfCondensedIncomeStatementTableTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_srt_ScheduleOfCondensedIncomeStatementTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock" xml:lang="en-US"> Schedule of Business Acquisitions, by Acquisition [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock" xml:lang="en-US"> Schedule of consolidated balance sheet and acquisition date fair value of total consideration transferred </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_BusinessAcquisitionProFormaInformationTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xml:lang="en-US"> Business Acquisition, Pro Forma Information [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xml:lang="en-US"> Schedule of business acquisition pro forma information </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_BusinessAcquisitionProFormaInformationTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_BusinessAcquisitionProFormaInformationTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MarketableSecuritiesTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_MarketableSecuritiesTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_MarketableSecuritiesTextBlock" xml:lang="en-US"> Marketable Securities [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_MarketableSecuritiesTextBlock" xml:lang="en-US"> Summary of marketable debt securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_MarketableSecuritiesTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_MarketableSecuritiesTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleSecuritiesTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesTextBlock" xml:lang="en-US"> Available For Sale Securities [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesTextBlock" xml:lang="en-US"> Summary of available-for-sale debt securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock" xml:lang="en-US"> Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock" xml:lang="en-US"> Summary of available-for-sale securities, unrealized loss position </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAfterTwelveMonthsTableTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_idt_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAfterTwelveMonthsTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAfterTwelveMonthsTableTextBlock" xml:lang="en-US"> Available For Sale Securities Continuous Unrealized Loss Position After Twelve Months [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAfterTwelveMonthsTableTextBlock" xml:lang="en-US"> Summary of available-for-sale securities, continuous unrealized loss position </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAfterTwelveMonthsTableTextBlock" xml:lang="en-US"> Tabular disclosure of fair value of investments in debt and equity securities in an unrealized loss position categorized neither as held-to-maturity nor trading securities for twelve months or longer. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAfterTwelveMonthsTableTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_idt_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAfterTwelveMonthsTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock" xml:lang="en-US"> Debt Securities, Trading, and Equity Securities, FV-NI [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock" xml:lang="en-US"> Summary of carrying value of equity investments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_TradingSecuritiesAndCertainTradingAssetsTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock" xml:lang="en-US"> Unrealized Gain (Loss) on Investments [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock" xml:lang="en-US"> Summary of unrealized gains and losses for all equity investments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xml:lang="en-US"> Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xml:lang="en-US"> Summary of balance of assets measured at fair value on a recurring basis </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xml:lang="en-US"> Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xml:lang="en-US"> Summary of assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xml:lang="en-US"> Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xml:lang="en-US"> Schedule of weighted-average number of shares used in the calculation of basic and diluted earnings (loss) per share </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xml:lang="en-US"> Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xml:lang="en-US"> Summary of shares excluded from the diluted earnings per share </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xml:lang="en-US"> Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xml:lang="en-US"> Schedule of accumulated balances for each classification of other comprehensive income (loss) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xml:lang="en-US"> Schedule Of Segment Reporting Information By Segment [Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xml:lang="en-US"> Schedule of operating results of business segments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:label="loc_HFGG41G0KG58_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xml:lang="en-US"> Schedule of Other Nonoperating Income (Expense) [Table Text Block] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xml:lang="en-US"> Schedule of other income (expense), net </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:to="lab_JHII63I2MI70_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xml:lang="en-US"> Revenue from External Customers by Products and Services [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_HFGG41G0KG58_srt_ProductOrServiceAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_srt_ProductOrServiceAxis" xml:lang="en-US"> Product and Service [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_srt_ProductOrServiceAxis" xlink:to="lab_JHII63I2MI70_srt_ProductOrServiceAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_G578G2J8HGI99092F09I_srt_ProductsAndServicesDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_srt_ProductsAndServicesDomain" xml:lang="en-US"> Product and Service [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_srt_ProductsAndServicesDomain" xlink:to="lab_I790I4L0JIK11214H21K_srt_ProductsAndServicesDomain"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_RetailCommunicationsMember" xlink:label="loc_HFGG41G0KG58_idt_RetailCommunicationsMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_RetailCommunicationsMember" xml:lang="en-US"> Retail Communications [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_RetailCommunicationsMember" xml:lang="en-US"> Retail Communications [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_RetailCommunicationsMember" xlink:to="lab_JHII63I2MI70_idt_RetailCommunicationsMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_BossRevolutionCallingMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_BossRevolutionCallingMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_BossRevolutionCallingMember" xml:lang="en-US"> Boss Revolution Calling [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_BossRevolutionCallingMember" xml:lang="en-US"> Boss Revolution Calling [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_BossRevolutionCallingMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_BossRevolutionCallingMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_WholesaleCarrierServicesMember" xlink:label="loc_HFGG41G0KG58_idt_WholesaleCarrierServicesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_WholesaleCarrierServicesMember" xml:lang="en-US"> Carrier Services [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_WholesaleCarrierServicesMember" xml:lang="en-US"> Wholesale Carrier Services [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_WholesaleCarrierServicesMember" xlink:to="lab_JHII63I2MI70_idt_WholesaleCarrierServicesMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_MobileTopUpMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_MobileTopUpMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_MobileTopUpMember" xml:lang="en-US"> Mobile Top Up [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_MobileTopUpMember" xml:lang="en-US"> Mobile Top-Up [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_MobileTopUpMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_MobileTopUpMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_TotalTelecomAndPaymentServicesOtherMember" xlink:label="loc_HFGG41G0KG58_idt_TotalTelecomAndPaymentServicesOtherMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_TotalTelecomAndPaymentServicesOtherMember" xml:lang="en-US"> Total Telecom And Payment Services Other [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_TotalTelecomAndPaymentServicesOtherMember" xml:lang="en-US"> Other [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_TotalTelecomAndPaymentServicesOtherMember" xlink:to="lab_JHII63I2MI70_idt_TotalTelecomAndPaymentServicesOtherMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_TotalTelecomAndPaymentServicesGrowthMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_TotalTelecomAndPaymentServicesGrowthMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_TotalTelecomAndPaymentServicesGrowthMember" xml:lang="en-US"> Total Telecom And Payment Services Growth [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_TotalTelecomAndPaymentServicesGrowthMember" xml:lang="en-US"> Growth [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_TotalTelecomAndPaymentServicesGrowthMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_TotalTelecomAndPaymentServicesGrowthMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember" xlink:label="loc_HFGG41G0KG58_idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember" xml:lang="en-US"> Net Two Phone Unified Communications As Service [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember" xml:lang="en-US"> net2phone-UCaaS [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember" xlink:to="lab_JHII63I2MI70_idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_Net2Phone-PlatformServicesMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_Net2Phone-PlatformServicesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_Net2Phone-PlatformServicesMember" xml:lang="en-US"> Net2phone-Platform Services [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_Net2Phone-PlatformServicesMember" xml:lang="en-US"> net2phone-Platform Services [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_Net2Phone-PlatformServicesMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_Net2Phone-PlatformServicesMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_PaymentServicesMember" xlink:label="loc_HFGG41G0KG58_idt_PaymentServicesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_PaymentServicesMember" xml:lang="en-US"> Payment Services [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_PaymentServicesMember" xml:lang="en-US"> Payment Services other [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_PaymentServicesMember" xlink:to="lab_JHII63I2MI70_idt_PaymentServicesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_StatementBusinessSegmentsAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementBusinessSegmentsAxis" xml:lang="en-US"> Segments [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StatementBusinessSegmentsAxis" xml:lang="en-US"> Segments [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_StatementBusinessSegmentsAxis" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_StatementBusinessSegmentsAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_HFGG41G0KG58_us-gaap_SegmentDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_SegmentDomain" xml:lang="en-US"> Segments [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_SegmentDomain" xml:lang="en-US"> Segments [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_SegmentDomain" xlink:to="lab_JHII63I2MI70_us-gaap_SegmentDomain"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_TelecomAndPaymentServiceMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_TelecomAndPaymentServiceMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_TelecomAndPaymentServiceMember" xml:lang="en-US"> Telecom And Payment Service [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_TelecomAndPaymentServiceMember" xml:lang="en-US"> Telecom & Payment Services [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_TelecomAndPaymentServiceMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_TelecomAndPaymentServiceMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_NetTwoPhoneUnifiedCommunicationsAsServiceSegmentMember" xlink:label="loc_HFGG41G0KG58_idt_NetTwoPhoneUnifiedCommunicationsAsServiceSegmentMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_NetTwoPhoneUnifiedCommunicationsAsServiceSegmentMember" xml:lang="en-US"> Net Two Phone Unified Communications As Service Segment [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_NetTwoPhoneUnifiedCommunicationsAsServiceSegmentMember" xml:lang="en-US"> Total net2phone [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_NetTwoPhoneUnifiedCommunicationsAsServiceSegmentMember" xlink:to="lab_JHII63I2MI70_idt_NetTwoPhoneUnifiedCommunicationsAsServiceSegmentMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AllOtherMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_AllOtherMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_AllOtherMember" xml:lang="en-US"> All Other [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_AllOtherMember" xml:lang="en-US"> All Other [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_AllOtherMember" xml:lang="en-US"> All Other-other [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_AllOtherMember" xml:lang="en-US"> All Other [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_AllOtherMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_AllOtherMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:label="loc_HFGG41G0KG58_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xml:lang="en-US"> Revenue from External Customer [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:to="lab_JHII63I2MI70_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_StatementGeographicalAxis" xlink:label="loc_G578G2J8HGI99092F09I_srt_StatementGeographicalAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_srt_StatementGeographicalAxis" xml:lang="en-US"> Geographical [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_srt_StatementGeographicalAxis" xlink:to="lab_I790I4L0JIK11214H21K_srt_StatementGeographicalAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_SegmentGeographicalDomain" xlink:label="loc_HFGG41G0KG58_srt_SegmentGeographicalDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_srt_SegmentGeographicalDomain" xml:lang="en-US"> Geographical [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_srt_SegmentGeographicalDomain" xlink:to="lab_JHII63I2MI70_srt_SegmentGeographicalDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US" xlink:label="loc_G578G2J8HGI99092F09I_country_US"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_country_US" xml:lang="en-US"> UNITED STATES </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_country_US" xml:lang="en-US"> United States [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_country_US" xlink:to="lab_I790I4L0JIK11214H21K_country_US"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_GB" xlink:label="loc_HFGG41G0KG58_country_GB"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_country_GB" xml:lang="en-US"> UNITED KINGDOM </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_country_GB" xml:lang="en-US"> United Kingdom [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_country_GB" xlink:to="lab_JHII63I2MI70_country_GB"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_NL" xlink:label="loc_G578G2J8HGI99092F09I_country_NL"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_country_NL" xml:lang="en-US"> NETHERLANDS </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_country_NL" xml:lang="en-US"> Netherlands [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_country_NL" xlink:to="lab_I790I4L0JIK11214H21K_country_NL"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_OtherCountriesMember" xlink:label="loc_HFGG41G0KG58_idt_OtherCountriesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_OtherCountriesMember" xml:lang="en-US"> Other Countries [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_idt_OtherCountriesMember" xml:lang="en-US"> Other [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_OtherCountriesMember" xlink:to="lab_JHII63I2MI70_idt_OtherCountriesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GeographicAreasRevenuesFromExternalCustomersAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_GeographicAreasRevenuesFromExternalCustomersAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_GeographicAreasRevenuesFromExternalCustomersAbstract" xml:lang="en-US"> Geographic Areas, Revenues from External Customers [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_GeographicAreasRevenuesFromExternalCustomersAbstract" xml:lang="en-US"> Outside the United States: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_GeographicAreasRevenuesFromExternalCustomersAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_GeographicAreasRevenuesFromExternalCustomersAbstract"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_RevenuesFromExternalCustomers" xlink:label="loc_HFGG41G0KG58_idt_RevenuesFromExternalCustomers"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_RevenuesFromExternalCustomers" xml:lang="en-US"> Revenues From External Customers </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_RevenuesFromExternalCustomers" xml:lang="en-US"> Total outside the United States </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_RevenuesFromExternalCustomers" xml:lang="en-US"> Amount of revenues from external customers. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_RevenuesFromExternalCustomers" xlink:to="lab_JHII63I2MI70_idt_RevenuesFromExternalCustomers"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OffsettingLiabilitiesTable" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OffsettingLiabilitiesTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OffsettingLiabilitiesTable" xml:lang="en-US"> Offsetting Liabilities [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OffsettingLiabilitiesTable" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OffsettingLiabilitiesTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_HFGG41G0KG58_us-gaap_DerivativeInstrumentRiskAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DerivativeInstrumentRiskAxis" xml:lang="en-US"> Derivative Instrument [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="lab_JHII63I2MI70_us-gaap_DerivativeInstrumentRiskAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DerivativeContractTypeDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DerivativeContractTypeDomain" xml:lang="en-US"> Derivative Contract [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DerivativeContractTypeDomain" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DerivativeContractTypeDomain"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_ContractLiabilitiesMember" xlink:label="loc_HFGG41G0KG58_idt_ContractLiabilitiesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_ContractLiabilitiesMember" xml:lang="en-US"> Contract Liabilities [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_ContractLiabilitiesMember" xml:lang="en-US"> Contract Liability [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_ContractLiabilitiesMember" xlink:to="lab_JHII63I2MI70_idt_ContractLiabilitiesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OffsettingLiabilitiesLineItems" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OffsettingLiabilitiesLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OffsettingLiabilitiesLineItems" xml:lang="en-US"> Offsetting Liabilities [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OffsettingLiabilitiesLineItems" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OffsettingLiabilitiesLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:label="loc_HFGG41G0KG58_us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xml:lang="en-US"> Contract with Customer, Liability, Revenue Recognized </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xml:lang="en-US"> Revenue recognized in the period from amounts included in the contract liability balance at the beginning of the period </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:to="lab_JHII63I2MI70_us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfRetainedEarningsAdjustmentsTable" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfRetainedEarningsAdjustmentsTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfRetainedEarningsAdjustmentsTable" xml:lang="en-US"> Schedule of Retained Earnings Adjustments [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfRetainedEarningsAdjustmentsTable" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfRetainedEarningsAdjustmentsTable"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AccountingStandardsUpdateSixZeroSixMember" xlink:label="loc_HFGG41G0KG58_idt_AccountingStandardsUpdateSixZeroSixMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_AccountingStandardsUpdateSixZeroSixMember" xml:lang="en-US"> Accounting Standards Update Six Zero Six [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_AccountingStandardsUpdateSixZeroSixMember" xml:lang="en-US"> ASC 606 [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_AccountingStandardsUpdateSixZeroSixMember" xlink:to="lab_JHII63I2MI70_idt_AccountingStandardsUpdateSixZeroSixMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_BalanceSheetLocationAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BalanceSheetLocationAxis" xml:lang="en-US"> Balance Sheet Location [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_BalanceSheetLocationAxis" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_BalanceSheetLocationAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_HFGG41G0KG58_us-gaap_BalanceSheetLocationDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_BalanceSheetLocationDomain" xml:lang="en-US"> Balance Sheet Location [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_BalanceSheetLocationDomain" xlink:to="lab_JHII63I2MI70_us-gaap_BalanceSheetLocationDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherCurrentAssetsMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OtherCurrentAssetsMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherCurrentAssetsMember" xml:lang="en-US"> Other Current Assets [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherCurrentAssetsMember" xml:lang="en-US"> Other current assets [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OtherCurrentAssetsMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OtherCurrentAssetsMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsMember" xlink:label="loc_HFGG41G0KG58_us-gaap_OtherAssetsMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OtherAssetsMember" xml:lang="en-US"> Other Assets [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherAssetsMember" xml:lang="en-US"> Other assets [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OtherAssetsMember" xlink:to="lab_JHII63I2MI70_us-gaap_OtherAssetsMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAdjustmentsLineItems" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_RetainedEarningsAdjustmentsLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_RetainedEarningsAdjustmentsLineItems" xml:lang="en-US"> Retained Earnings Adjustments [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_RetainedEarningsAdjustmentsLineItems" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_RetainedEarningsAdjustmentsLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_RevenueRecognitionTextualAbstract" xlink:label="loc_HFGG41G0KG58_idt_RevenueRecognitionTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_RevenueRecognitionTextualAbstract" xml:lang="en-US"> Revenue Recognition Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_RevenueRecognitionTextualAbstract" xml:lang="en-US"> Revenue Recognition (Textual) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_RevenueRecognitionTextualAbstract" xlink:to="lab_JHII63I2MI70_idt_RevenueRecognitionTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredRevenue" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DeferredRevenue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DeferredRevenue" xml:lang="en-US"> Deferred Revenue </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DeferredRevenue" xml:lang="en-US"> Deferred revenue </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DeferredRevenue" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DeferredRevenue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredCostsCurrentAndNoncurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_DeferredCostsCurrentAndNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DeferredCostsCurrentAndNoncurrent" xml:lang="en-US"> Deferred Costs </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DeferredCostsCurrentAndNoncurrent" xml:lang="en-US"> Defer costs </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DeferredCostsCurrentAndNoncurrent" xlink:to="lab_JHII63I2MI70_us-gaap_DeferredCostsCurrentAndNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xml:lang="en-US"> Restricted Cash and Cash Equivalents, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xml:lang="en-US"> Restricted cash included in other current assets </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:label="loc_HFGG41G0KG58_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xml:lang="en-US"> Cash and cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xml:lang="en-US"> Cash and cash equivalents included in current assets held for sale (see Note 4) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:to="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_DisposalGroupIncludingDiscountinuedOperationRestrictedCashAndCashEquivalents" xlink:label="loc_G578G2J8HGI99092F09I_idt_DisposalGroupIncludingDiscountinuedOperationRestrictedCashAndCashEquivalents"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_DisposalGroupIncludingDiscountinuedOperationRestrictedCashAndCashEquivalents" xml:lang="en-US"> Disposal Group, Including Discountinued Operation, Restricted Cash And Cash Equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_DisposalGroupIncludingDiscountinuedOperationRestrictedCashAndCashEquivalents" xml:lang="en-US"> Restricted cash and cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_DisposalGroupIncludingDiscountinuedOperationRestrictedCashAndCashEquivalents" xml:lang="en-US"> Restricted cash and cash equivalents included in current assets held for sale (see Note 4) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_DisposalGroupIncludingDiscountinuedOperationRestrictedCashAndCashEquivalents" xml:lang="en-US"> Amount classified as restricted cash and cash equivalents attributable to disposal group held for sale or disposed of. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_DisposalGroupIncludingDiscountinuedOperationRestrictedCashAndCashEquivalents" xlink:to="lab_I790I4L0JIK11214H21K_idt_DisposalGroupIncludingDiscountinuedOperationRestrictedCashAndCashEquivalents"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="loc_HFGG41G0KG58_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="lab_JHII63I2MI70_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xml:lang="en-US"> Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xml:lang="en-US"> Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Assets, Current [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xml:lang="en-US"> Current assets held for sale: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xml:lang="en-US"> Trade accounts receivable, net of allowance for doubtful accounts of $1,715 and $2,192 at January 31, 2019 and July 31, 2018, respectively </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xml:lang="en-US"> Trade accounts receivable </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent" xml:lang="en-US"> Prepaid expenses </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent" xlink:to="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Assets, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets" xml:lang="en-US"> Other current assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets" xml:lang="en-US"> Other current assets </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Assets, Noncurrent [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xml:lang="en-US"> Noncurrent assets held for sale: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" xml:lang="en-US"> Property, plant and equipment, net of accumulated depreciation of $346 and $228 at July 31, 2018 and 2017, respectively </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/zeroLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" xml:lang="en-US"> Property, plant and equipment, net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" xml:lang="en-US"> Property, plant and equipment, net </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Intangible Assets, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent" xml:lang="en-US"> Other intangibles, net of accumulated amortization of $86 and $57 at July 31, 2018 and 2017, respectively </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/zeroLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent" xml:lang="en-US"> Other intangibles, net </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent" xlink:to="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Assets, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xml:lang="en-US"> TOTAL NONCURRENT ASSETS HELD FOR SALE </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/zeroLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xml:lang="en-US"> Total noncurrent assets held for sale </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xml:lang="en-US"> TOTAL NONCURRENT ASSETS HELD FOR SALE </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Liabilities, Current [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xml:lang="en-US"> CURRENT LIABILITIES HELD FOR SALE: </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xml:lang="en-US"> Current liabilities held for sale: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Accounts Payable, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent" xml:lang="en-US"> Trade accounts payable </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent" xlink:label="loc_HFGG41G0KG58_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Accrued Liabilities, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent" xml:lang="en-US"> Accrued expenses </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent" xlink:to="lab_JHII63I2MI70_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Deferred Revenue, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent" xml:lang="en-US"> Deferred revenue </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_DisposalGroupIncludingDiscountinuedOperationCustomerDeposits" xlink:label="loc_HFGG41G0KG58_idt_DisposalGroupIncludingDiscountinuedOperationCustomerDeposits"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_DisposalGroupIncludingDiscountinuedOperationCustomerDeposits" xml:lang="en-US"> Disposal Group, Including Discountinued Operation, Customer Deposits </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_idt_DisposalGroupIncludingDiscountinuedOperationCustomerDeposits" xml:lang="en-US"> Customer deposits </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_DisposalGroupIncludingDiscountinuedOperationCustomerDeposits" xml:lang="en-US"> Amount classified as customer deposits attributable to disposal group held for sale or disposed of. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_DisposalGroupIncludingDiscountinuedOperationCustomerDeposits" xlink:to="lab_JHII63I2MI70_idt_DisposalGroupIncludingDiscountinuedOperationCustomerDeposits"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Liabilities, Current </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities" xml:lang="en-US"> Other current liabilities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xml:lang="en-US"> NONCURRENT LIABILITIES HELD FOR SALE: </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/exampleGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xml:lang="en-US"> Noncurrent liabilities held for sale: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" xml:lang="en-US"> Other liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" xml:lang="en-US"> Other liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" xml:lang="en-US"> Other liabilities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xlink:label="loc_HFGG41G0KG58_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xml:lang="en-US"> Income Loss From Continuing Operations Before Income Taxes Extraordinary Item </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xml:lang="en-US"> Loss before income taxes attributable to IDT Corporation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xml:lang="en-US"> (LOSS) INCOME BEFORE INCOME TAXES ATTRIBUTABLE TO IDT CORPORATION </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/zeroLabel" xlink:label="lab_JHII63I2MI70_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xml:lang="en-US"> (Loss) income before income taxes attributable to IDT Corporation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xml:lang="en-US"> This element represents the income loss from continuing operations before income taxes extraordinary item. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_JHII63I2MI70_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xml:lang="en-US"> Loss before income taxes attributable to IDT Corporation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_JHII63I2MI70_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xml:lang="en-US"> INCOME BEFORE INCOME TAXES ATTRIBUTABLE TO IDT CORPORATION </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xlink:to="lab_JHII63I2MI70_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract" xlink:label="loc_G578G2J8HGI99092F09I_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract" xml:lang="en-US"> Assets And Liabilities Held For Sale Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract" xml:lang="en-US"> IDT Financial Services Holding Limited Assets and Liabilities Held for Sale (Textual) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract" xlink:to="lab_I790I4L0JIK11214H21K_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:label="loc_HFGG41G0KG58_us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries" xml:lang="en-US"> Proceeds from Divestiture of Interest in Consolidated Subsidiaries </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries" xml:lang="en-US"> Common stock sold to Ericsson </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries" xml:lang="en-US"> Outstanding equity interests </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:to="lab_JHII63I2MI70_us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts" xlink:label="loc_G578G2J8HGI99092F09I_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts" xml:lang="en-US"> Allowance for doubtful accounts </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts" xml:lang="en-US"> Allowance for doubtful accounts </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts" xml:lang="en-US"> Allowance for doubtful accounts included in held for sale </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts" xml:lang="en-US"> Amount classified as allowance for doubtful accounts attributable to disposal group held for sale or disposed of. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts" xlink:to="lab_I790I4L0JIK11214H21K_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsNet" xlink:label="loc_HFGG41G0KG58_us-gaap_AssetsNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AssetsNet" xml:lang="en-US"> Net Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AssetsNet" xml:lang="en-US"> Net asset value </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AssetsNet" xlink:to="lab_JHII63I2MI70_us-gaap_AssetsNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xml:lang="en-US"> Trade accounts receivable </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets" xlink:label="loc_HFGG41G0KG58_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets" xml:lang="en-US"> Prepaid expenses </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets" xlink:to="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xml:lang="en-US"> Property, plant and equipment </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentNonCompeteAgreement" xlink:label="loc_HFGG41G0KG58_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentNonCompeteAgreement"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentNonCompeteAgreement" xml:lang="en-US"> Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Non Compete Agreement </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentNonCompeteAgreement" xml:lang="en-US"> Non-compete agreement </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentNonCompeteAgreement" xml:lang="en-US"> Amount for business combination recognized identifiable assets acquired and liabilities assumed current noncompeting agreement. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentNonCompeteAgreement" xlink:to="lab_JHII63I2MI70_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentNonCompeteAgreement"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentCustomerRelationships" xlink:label="loc_G578G2J8HGI99092F09I_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentCustomerRelationships"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentCustomerRelationships" xml:lang="en-US"> Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Current Customer Relationships </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentCustomerRelationships" xml:lang="en-US"> Customer relationships </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentCustomerRelationships" xml:lang="en-US"> Amount for usiness combination recognized identifiable assets acquired and liabilities assumed current customer relationships. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentCustomerRelationships" xlink:to="lab_I790I4L0JIK11214H21K_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentCustomerRelationships"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xlink:label="loc_HFGG41G0KG58_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xml:lang="en-US"> Patents and trademarks </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xml:lang="en-US"> Tradename </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles" xlink:to="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xml:lang="en-US"> Goodwill </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets" xlink:label="loc_HFGG41G0KG58_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets" xml:lang="en-US"> Other assets </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets" xlink:to="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable" xml:lang="en-US"> Trade accounts payable </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable" xml:lang="en-US"> Trade accounts payable </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther" xlink:label="loc_HFGG41G0KG58_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther" xml:lang="en-US"> Accrued expenses </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther" xlink:to="lab_JHII63I2MI70_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xml:lang="en-US"> Other liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xml:lang="en-US"> Other liabilities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_HFGG41G0KG58_us-gaap_BusinessCombinationConsiderationTransferred1"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationConsiderationTransferred1" xml:lang="en-US"> Business Combination, Consideration Transferred </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationConsiderationTransferred1" xml:lang="en-US"> Total consideration, net of cash acquired </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationConsiderationTransferred1" xml:lang="en-US"> Total consideration, net of cash acquired </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessCombinationConsiderationTransferred1" xml:lang="en-US"> Net assets excluding cash acquired </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_BusinessCombinationConsiderationTransferred1" xlink:to="lab_JHII63I2MI70_us-gaap_BusinessCombinationConsiderationTransferred1"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSupplementalInformationAbstract" xlink:label="loc_G578G2J8HGI99092F09I_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSupplementalInformationAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSupplementalInformationAbstract" xml:lang="en-US"> Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Supplemental Information [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSupplementalInformationAbstract" xml:lang="en-US"> Supplemental information: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSupplementalInformationAbstract" xlink:to="lab_I790I4L0JIK11214H21K_idt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedSupplementalInformationAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross" xlink:label="loc_HFGG41G0KG58_us-gaap_PaymentsToAcquireBusinessesGross"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_PaymentsToAcquireBusinessesGross" xml:lang="en-US"> Payments to Acquire Businesses, Gross </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_PaymentsToAcquireBusinessesGross" xml:lang="en-US"> Cash paid </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_PaymentsToAcquireBusinessesGross" xlink:to="lab_JHII63I2MI70_us-gaap_PaymentsToAcquireBusinessesGross"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xml:lang="en-US"> Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xml:lang="en-US"> Cash </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xml:lang="en-US"> Cash acquired </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xml:lang="en-US"> Cash acquired </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:label="loc_HFGG41G0KG58_us-gaap_BusinessAcquisitionsProFormaRevenue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessAcquisitionsProFormaRevenue" xml:lang="en-US"> Business Acquisition, Pro Forma Revenue </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_BusinessAcquisitionsProFormaRevenue" xml:lang="en-US"> Revenues </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_BusinessAcquisitionsProFormaRevenue" xlink:to="lab_JHII63I2MI70_us-gaap_BusinessAcquisitionsProFormaRevenue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xml:lang="en-US"> Business Acquisition, Pro Forma Net Income (Loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xml:lang="en-US"> Net income (loss) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AcquisitionOfVersatureCorpTextualAbstract" xlink:label="loc_HFGG41G0KG58_idt_AcquisitionOfVersatureCorpTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_AcquisitionOfVersatureCorpTextualAbstract" xml:lang="en-US"> Acquisition Of Versature Corp Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_AcquisitionOfVersatureCorpTextualAbstract" xml:lang="en-US"> Acquisition of Versature Corp (Textual) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_AcquisitionOfVersatureCorpTextualAbstract" xlink:to="lab_JHII63I2MI70_idt_AcquisitionOfVersatureCorpTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" xml:lang="en-US"> Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" xml:lang="en-US"> Acquired outstanding shares percentage </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireePercentage"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable" xlink:label="loc_HFGG41G0KG58_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable" xml:lang="en-US"> Schedule of Subsidiary of Limited Liability Company or Limited Partnership [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable" xlink:to="lab_JHII63I2MI70_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xml:lang="en-US"> Schedule Of Available For Sale Securities [Table] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xml:lang="en-US"> Schedule of Available-for-sale Securities [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_MajorTypeOfDebtAndEquitySecuritiesAxis" xlink:label="loc_HFGG41G0KG58_idt_MajorTypeOfDebtAndEquitySecuritiesAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_MajorTypeOfDebtAndEquitySecuritiesAxis" xml:lang="en-US"> Major Type Of Debt And Equity Securities [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_MajorTypeOfDebtAndEquitySecuritiesAxis" xml:lang="en-US"> Major Types of Debt and Equity Securities [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_MajorTypeOfDebtAndEquitySecuritiesAxis" xml:lang="en-US"> Information by major type of debt and equity security. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_MajorTypeOfDebtAndEquitySecuritiesAxis" xlink:to="lab_JHII63I2MI70_idt_MajorTypeOfDebtAndEquitySecuritiesAxis"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_MajorTypeOfDebtAndEquitySecuritiesDomain" xlink:label="loc_G578G2J8HGI99092F09I_idt_MajorTypeOfDebtAndEquitySecuritiesDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_MajorTypeOfDebtAndEquitySecuritiesDomain" xml:lang="en-US"> Major Type Of Debt And Equity Securities [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_MajorTypeOfDebtAndEquitySecuritiesDomain" xml:lang="en-US"> Major Types of Debt and Equity Securities [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_MajorTypeOfDebtAndEquitySecuritiesDomain" xml:lang="en-US"> Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions. Equity securities are ownership interests or the right to acquire or dispose of ownership interests in corporations and other legal entities for which ownership interest is represented by shares of common or preferred stock. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_MajorTypeOfDebtAndEquitySecuritiesDomain" xlink:to="lab_I790I4L0JIK11214H21K_idt_MajorTypeOfDebtAndEquitySecuritiesDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CertificatesOfDepositMember" xlink:label="loc_HFGG41G0KG58_us-gaap_CertificatesOfDepositMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CertificatesOfDepositMember" xml:lang="en-US"> Certificates Of Deposit [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CertificatesOfDepositMember" xml:lang="en-US"> Certificates of Deposit [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CertificatesOfDepositMember" xml:lang="en-US"> Certificates of deposit [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CertificatesOfDepositMember" xlink:to="lab_JHII63I2MI70_us-gaap_CertificatesOfDepositMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_USTreasuryNotesSecuritiesMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_USTreasuryNotesSecuritiesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_USTreasuryNotesSecuritiesMember" xml:lang="en-US"> US Treasury Notes Securities [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_USTreasuryNotesSecuritiesMember" xml:lang="en-US"> U.S. Treasury notes [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_USTreasuryNotesSecuritiesMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_USTreasuryNotesSecuritiesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_HFGG41G0KG58_us-gaap_MunicipalBondsMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_MunicipalBondsMember" xml:lang="en-US"> Municipal Bonds [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_MunicipalBondsMember" xml:lang="en-US"> Municipal Bonds [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_MunicipalBondsMember" xml:lang="en-US"> Municipal bonds [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_MunicipalBondsMember" xlink:to="lab_JHII63I2MI70_us-gaap_MunicipalBondsMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xml:lang="en-US"> Debt Securities, Available-for-sale [Line Items] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xml:lang="en-US"> Schedule of Available-for-sale Securities [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtSecuritiesCurrentAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_DebtSecuritiesCurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DebtSecuritiesCurrentAbstract" xml:lang="en-US"> Debt Securities, Current [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DebtSecuritiesCurrentAbstract" xml:lang="en-US"> Available-for-sale securities: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DebtSecuritiesCurrentAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_DebtSecuritiesCurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xml:lang="en-US"> Debt Securities, Available-for-sale, Amortized Cost </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xml:lang="en-US"> Amortized Cost </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_HFGG41G0KG58_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xml:lang="en-US"> Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xml:lang="en-US"> Gross Unrealized Gains, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xml:lang="en-US"> Gross Unrealized Gains </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:to="lab_JHII63I2MI70_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xml:lang="en-US"> Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xml:lang="en-US"> Gross Unrealized Losses </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:label="loc_HFGG41G0KG58_us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtSecurities" xml:lang="en-US"> Debt Securities, Available-for-sale </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtSecurities" xml:lang="en-US"> Debt securities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtSecurities" xml:lang="en-US"> Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtSecurities" xml:lang="en-US"> Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtSecurities" xml:lang="en-US"> Balance, August 1, 2018 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtSecurities" xml:lang="en-US"> Balance, October 31, 2018 </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:to="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xml:lang="en-US"> Available For Sale Securities Debt Maturities Within One Year Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xml:lang="en-US"> Within one year </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:label="loc_HFGG41G0KG58_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xml:lang="en-US"> Available For Sale Securities Debt Maturities After One Through Five Years Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xml:lang="en-US"> After one year through five years </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:to="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xml:lang="en-US"> Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xml:lang="en-US"> After five years through ten years </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:label="loc_HFGG41G0KG58_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xml:lang="en-US"> Available For Sale Securities Debt Maturities After Ten Years Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xml:lang="en-US"> After ten years </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:to="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate" xml:lang="en-US"> Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate" xml:lang="en-US"> Total </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember" xlink:label="loc_HFGG41G0KG58_us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ForeignGovernmentDebtSecuritiesMember" xml:lang="en-US"> Debt Security, Government, Non-US [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ForeignGovernmentDebtSecuritiesMember" xml:lang="en-US"> International agency notes [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ForeignGovernmentDebtSecuritiesMember" xlink:to="lab_JHII63I2MI70_us-gaap_ForeignGovernmentDebtSecuritiesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CorporateBondSecuritiesMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_CorporateBondSecuritiesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CorporateBondSecuritiesMember" xml:lang="en-US"> Corporate Bond Securities [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_CorporateBondSecuritiesMember" xml:lang="en-US"> Corporate bonds [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_CorporateBondSecuritiesMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_CorporateBondSecuritiesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_HFGG41G0KG58_us-gaap_EquitySecuritiesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_EquitySecuritiesMember" xml:lang="en-US"> Equity Securities [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_EquitySecuritiesMember" xml:lang="en-US"> Equity Securities [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_EquitySecuritiesMember" xml:lang="en-US"> Equity [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_EquitySecuritiesMember" xlink:to="lab_JHII63I2MI70_us-gaap_EquitySecuritiesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_USTreasurySecuritiesMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_USTreasurySecuritiesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_USTreasurySecuritiesMember" xml:lang="en-US"> US Treasury Securities [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_USTreasurySecuritiesMember" xml:lang="en-US"> U.S. Treasury notes [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_USTreasurySecuritiesMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_USTreasurySecuritiesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" xlink:label="loc_HFGG41G0KG58_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" xml:lang="en-US"> Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" xml:lang="en-US"> Unrealized Losses </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" xml:lang="en-US"> Unrealized Losses </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" xlink:to="lab_JHII63I2MI70_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xml:lang="en-US"> Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xml:lang="en-US"> Fair Value </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_ZedgeMember" xlink:label="loc_HFGG41G0KG58_idt_ZedgeMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_ZedgeMember" xml:lang="en-US"> Zedge [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_ZedgeMember" xml:lang="en-US"> Zedge [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_idt_ZedgeMember" xml:lang="en-US"> Zedge [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_JHII63I2MI70_idt_ZedgeMember" xml:lang="en-US"> All Other (Zedge) [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_ZedgeMember" xlink:to="lab_JHII63I2MI70_idt_ZedgeMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_RafaelHoldingsIncMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_RafaelHoldingsIncMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_RafaelHoldingsIncMember" xml:lang="en-US"> Rafael Holdings Inc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_RafaelHoldingsIncMember" xml:lang="en-US"> Rafael [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_RafaelHoldingsIncMember" xml:lang="en-US"> Rafael Spin-Off [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_I790I4L0JIK11214H21K_idt_RafaelHoldingsIncMember" xml:lang="en-US"> Rafael Holdings, Inc. [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_RafaelHoldingsIncMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_RafaelHoldingsIncMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_DebtSecuritiesTextualAbstract" xlink:label="loc_HFGG41G0KG58_idt_DebtSecuritiesTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_DebtSecuritiesTextualAbstract" xml:lang="en-US"> Debt Securities Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_DebtSecuritiesTextualAbstract" xml:lang="en-US"> Debt Securities (Textual) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_DebtSecuritiesTextualAbstract" xml:lang="en-US"> Marketable Securities Textual. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_DebtSecuritiesTextualAbstract" xlink:to="lab_JHII63I2MI70_idt_DebtSecuritiesTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PriorPeriodReclassificationAdjustment" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_PriorPeriodReclassificationAdjustment"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PriorPeriodReclassificationAdjustment" xml:lang="en-US"> Prior Period Reclassification Adjustment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_PriorPeriodReclassificationAdjustment" xml:lang="en-US"> Equity securities, fair value </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_PriorPeriodReclassificationAdjustment" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_PriorPeriodReclassificationAdjustment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xlink:label="loc_HFGG41G0KG58_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xml:lang="en-US"> Proceeds From Sale And Maturity Of Available For Sale Securities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xml:lang="en-US"> Proceeds from maturities and sales of available-for-sale securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xlink:to="lab_JHII63I2MI70_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xml:lang="en-US"> Available-for-sale Securities, Gross Realized Losses </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xml:lang="en-US"> Realized losses from sales of available-for-sale securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueTable" xlink:label="loc_HFGG41G0KG58_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueTable" xml:lang="en-US"> Equity Securities without Readily Determinable Fair Value [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueTable" xlink:to="lab_JHII63I2MI70_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_FairValueByAssetClassAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueByAssetClassAxis" xml:lang="en-US"> Asset Class [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_FairValueByAssetClassAxis" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_FairValueByAssetClassAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_HFGG41G0KG58_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xml:lang="en-US"> Asset Class [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:to="lab_JHII63I2MI70_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityMethodInvestmentsMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_EquityMethodInvestmentsMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EquityMethodInvestmentsMember" xml:lang="en-US"> Equity Method Investments [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EquityMethodInvestmentsMember" xml:lang="en-US"> Equity investments [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_EquityMethodInvestmentsMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_EquityMethodInvestmentsMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueLineItems" xlink:label="loc_HFGG41G0KG58_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueLineItems" xml:lang="en-US"> Equity Securities without Readily Determinable Fair Value [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueLineItems" xlink:to="lab_JHII63I2MI70_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquitySecuritiesFvNi" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_EquitySecuritiesFvNi"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EquitySecuritiesFvNi" xml:lang="en-US"> Equity Securities, FV-NI </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EquitySecuritiesFvNi" xml:lang="en-US"> Balance, beginning of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EquitySecuritiesFvNi" xml:lang="en-US"> Balance, end of period </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_EquitySecuritiesFvNi" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_EquitySecuritiesFvNi"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" xlink:label="loc_HFGG41G0KG58_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" xml:lang="en-US"> New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" xml:lang="en-US"> ASU adoption adjustment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" xml:lang="en-US"> Adjustment from the adoption of change in accounting for equity investments (see Note 8) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" xml:lang="en-US"> Adoption of change in accounting for equity investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" xml:lang="en-US"> Transfer into Level 3 from adoption of change in accounting for equity investments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification" xlink:to="lab_JHII63I2MI70_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_EquitySecuritiesFvNiAdjusted" xlink:label="loc_G578G2J8HGI99092F09I_idt_EquitySecuritiesFvNiAdjusted"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesFvNiAdjusted" xml:lang="en-US"> Equity Securities Fv Ni Adjusted </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesFvNiAdjusted" xml:lang="en-US"> Adjusted balance, beginning of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesFvNiAdjusted" xml:lang="en-US"> Amount of equity investments adjustment. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_EquitySecuritiesFvNiAdjusted" xlink:to="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesFvNiAdjusted"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount" xlink:label="loc_HFGG41G0KG58_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount" xml:lang="en-US"> Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount" xml:lang="en-US"> Adjustment for observable transactions involving a similar investment from the same issuer </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount" xml:lang="en-US"> Shares owned fair value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount" xml:lang="en-US"> Adjustment for observable transactions involving a similar investment from the same issuer </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount" xlink:to="lab_JHII63I2MI70_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_EquitySecuritiesWithoutReadilyDeterminableFairValueRedemptionsAnnualAmount" xlink:label="loc_G578G2J8HGI99092F09I_idt_EquitySecuritiesWithoutReadilyDeterminableFairValueRedemptionsAnnualAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesWithoutReadilyDeterminableFairValueRedemptionsAnnualAmount" xml:lang="en-US"> Equity Securities Without Readily Determinable Fair Value, Redemptions, Annual Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesWithoutReadilyDeterminableFairValueRedemptionsAnnualAmount" xml:lang="en-US"> Redemptions </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesWithoutReadilyDeterminableFairValueRedemptionsAnnualAmount" xml:lang="en-US"> Equity securities without readily determinable fair value, redemptions, annual amount. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_EquitySecuritiesWithoutReadilyDeterminableFairValueRedemptionsAnnualAmount" xlink:to="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesWithoutReadilyDeterminableFairValueRedemptionsAnnualAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount" xlink:label="loc_HFGG41G0KG58_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount" xml:lang="en-US"> Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount" xml:lang="en-US"> Impairments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount" xlink:to="lab_JHII63I2MI70_us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquitySecuritiesFvNiGainLossAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_EquitySecuritiesFvNiGainLossAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EquitySecuritiesFvNiGainLossAbstract" xml:lang="en-US"> Equity Securities, FV-NI, Gain (Loss) [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EquitySecuritiesFvNiGainLossAbstract" xml:lang="en-US"> Equity Investments [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_EquitySecuritiesFvNiGainLossAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_EquitySecuritiesFvNiGainLossAbstract"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_EquitySecuritiesFvNiRecognizedGainLossNet" xlink:label="loc_HFGG41G0KG58_idt_EquitySecuritiesFvNiRecognizedGainLossNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_EquitySecuritiesFvNiRecognizedGainLossNet" xml:lang="en-US"> Equity Securities Fv Ni Recognized Gain Loss Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_EquitySecuritiesFvNiRecognizedGainLossNet" xml:lang="en-US"> Net gains and losses recognized during the period on equity investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_idt_EquitySecuritiesFvNiRecognizedGainLossNet" xml:lang="en-US"> Net gains recognized during the period on equity investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_EquitySecuritiesFvNiRecognizedGainLossNet" xml:lang="en-US"> Amount of recognized gain (loss) net on equity securities (FV-NI). </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_EquitySecuritiesFvNiRecognizedGainLossNet" xlink:to="lab_JHII63I2MI70_idt_EquitySecuritiesFvNiRecognizedGainLossNet"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_EquitySecuritiesFvNiRecognizedGainLossNetOnEquitySecuritiesSold" xlink:label="loc_G578G2J8HGI99092F09I_idt_EquitySecuritiesFvNiRecognizedGainLossNetOnEquitySecuritiesSold"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesFvNiRecognizedGainLossNetOnEquitySecuritiesSold" xml:lang="en-US"> Equity Securities Fv Ni Recognized Gain Loss Net On Equity Securities Sold </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesFvNiRecognizedGainLossNetOnEquitySecuritiesSold" xml:lang="en-US"> Less: net gains and losses recognized during the period on equity investments redeemed during the period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesFvNiRecognizedGainLossNetOnEquitySecuritiesSold" xml:lang="en-US"> Amount of recognized gain (loss) net on equity securities which has been sold (FV-NI). </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_EquitySecuritiesFvNiRecognizedGainLossNetOnEquitySecuritiesSold" xlink:to="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesFvNiRecognizedGainLossNetOnEquitySecuritiesSold"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_EquitySecuritiesFvNiRecognizedUnrealizedGainLossNetEquitySecuritiesHeld" xlink:label="loc_HFGG41G0KG58_idt_EquitySecuritiesFvNiRecognizedUnrealizedGainLossNetEquitySecuritiesHeld"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_EquitySecuritiesFvNiRecognizedUnrealizedGainLossNetEquitySecuritiesHeld" xml:lang="en-US"> Equity Securities Fv Ni Recognized Unrealized Gain Loss Net Equity Securities Held </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_idt_EquitySecuritiesFvNiRecognizedUnrealizedGainLossNetEquitySecuritiesHeld" xml:lang="en-US"> Unrealized gains recognized during the period on equity investments still held at the reporting date </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_idt_EquitySecuritiesFvNiRecognizedUnrealizedGainLossNetEquitySecuritiesHeld" xml:lang="en-US"> Unrealized gains and losses recognized during the period on equity investments still held at the reporting date </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_EquitySecuritiesFvNiRecognizedUnrealizedGainLossNetEquitySecuritiesHeld" xml:lang="en-US"> Amount of recognized unrealized gain (loss) net on equity securities held (FV-NI). </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_EquitySecuritiesFvNiRecognizedUnrealizedGainLossNetEquitySecuritiesHeld" xlink:to="lab_JHII63I2MI70_idt_EquitySecuritiesFvNiRecognizedUnrealizedGainLossNetEquitySecuritiesHeld"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_VisaMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_VisaMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_VisaMember" xml:lang="en-US"> Visa [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_VisaMember" xml:lang="en-US"> Visa [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_VisaMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_VisaMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConvertiblePreferredStockMember" xlink:label="loc_HFGG41G0KG58_us-gaap_ConvertiblePreferredStockMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ConvertiblePreferredStockMember" xml:lang="en-US"> Convertible Preferred Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ConvertiblePreferredStockMember" xml:lang="en-US"> Series C Convertible Participating Preferred Stock [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ConvertiblePreferredStockMember" xlink:to="lab_JHII63I2MI70_us-gaap_ConvertiblePreferredStockMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_VisaSeriesCConvertibleParticipatingPreferredStockMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_VisaSeriesCConvertibleParticipatingPreferredStockMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_VisaSeriesCConvertibleParticipatingPreferredStockMember" xml:lang="en-US"> Visa Series C Convertible Participating Preferred Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_VisaSeriesCConvertibleParticipatingPreferredStockMember" xml:lang="en-US"> Visa Series C Convertible Participating Preferred Stock [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_VisaSeriesCConvertibleParticipatingPreferredStockMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_VisaSeriesCConvertibleParticipatingPreferredStockMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CreationDateAxis" xlink:label="loc_HFGG41G0KG58_us-gaap_CreationDateAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CreationDateAxis" xml:lang="en-US"> Report Date [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CreationDateAxis" xlink:to="lab_JHII63I2MI70_us-gaap_CreationDateAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DefaultFinancialStatementsDateMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DefaultFinancialStatementsDateMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DefaultFinancialStatementsDateMember" xml:lang="en-US"> Financial Statement Filing Date [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DefaultFinancialStatementsDateMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DefaultFinancialStatementsDateMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AugustOneTwoZeroOneEightMember" xlink:label="loc_HFGG41G0KG58_idt_AugustOneTwoZeroOneEightMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_AugustOneTwoZeroOneEightMember" xml:lang="en-US"> August One Two Zero One Eight [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_AugustOneTwoZeroOneEightMember" xml:lang="en-US"> August 1, 2018 [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_AugustOneTwoZeroOneEightMember" xlink:to="lab_JHII63I2MI70_idt_AugustOneTwoZeroOneEightMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_EquityInvestmentsTextualAbstract" xlink:label="loc_G578G2J8HGI99092F09I_idt_EquityInvestmentsTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquityInvestmentsTextualAbstract" xml:lang="en-US"> Equity Investments Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquityInvestmentsTextualAbstract" xml:lang="en-US"> Equity Investments (Textual) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_EquityInvestmentsTextualAbstract" xlink:to="lab_I790I4L0JIK11214H21K_idt_EquityInvestmentsTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1" xlink:label="loc_HFGG41G0KG58_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1" xml:lang="en-US"> New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1" xml:lang="en-US"> Cumulative effect of adopting this ASU increase in equity investments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1" xlink:to="lab_JHII63I2MI70_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentOwnedBalanceShares" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_InvestmentOwnedBalanceShares"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_InvestmentOwnedBalanceShares" xml:lang="en-US"> Investment Owned, Balance, Shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_InvestmentOwnedBalanceShares" xml:lang="en-US"> Owned shares </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_InvestmentOwnedBalanceShares" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_InvestmentOwnedBalanceShares"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentOwnedAtFairValue" xlink:label="loc_HFGG41G0KG58_us-gaap_InvestmentOwnedAtFairValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_InvestmentOwnedAtFairValue" xml:lang="en-US"> Investment Owned, at Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_InvestmentOwnedAtFairValue" xml:lang="en-US"> Shares owned fair value </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_InvestmentOwnedAtFairValue" xlink:to="lab_JHII63I2MI70_us-gaap_InvestmentOwnedAtFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion" xml:lang="en-US"> Convertible Preferred Stock, Shares Issued upon Conversion </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion" xml:lang="en-US"> Convertible shares </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_HFGG41G0KG58_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xml:lang="en-US"> Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xml:lang="en-US"> Fair Value Measurements, Recurring and Nonrecurring [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="lab_JHII63I2MI70_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_FairValueByMeasurementFrequencyAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueByMeasurementFrequencyAxis" xml:lang="en-US"> Fair Value By Measurement Frequency [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueByMeasurementFrequencyAxis" xml:lang="en-US"> Measurement Frequency [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_FairValueByMeasurementFrequencyAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_HFGG41G0KG58_us-gaap_FairValueMeasurementFrequencyDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueMeasurementFrequencyDomain" xml:lang="en-US"> Fair Value Measurement Frequency [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueMeasurementFrequencyDomain" xml:lang="en-US"> Fair Value, Measurement Frequency [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="lab_JHII63I2MI70_us-gaap_FairValueMeasurementFrequencyDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_FairValueMeasurementsRecurringMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementsRecurringMember" xml:lang="en-US"> Fair Value Measurements Recurring [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementsRecurringMember" xml:lang="en-US"> Fair Value Measurements, Recurring basis [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_FairValueMeasurementsRecurringMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementsRecurringMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_HFGG41G0KG58_us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueByFairValueHierarchyLevelAxis" xml:lang="en-US"> Fair Value By Fair Value Hierarchy Level [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueByFairValueHierarchyLevelAxis" xml:lang="en-US"> Fair Value, Hierarchy [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="lab_JHII63I2MI70_us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xml:lang="en-US"> Fair Value Measurements Fair Value Hierarchy [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xml:lang="en-US"> Fair Value Hierarchy [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_HFGG41G0KG58_us-gaap_FairValueInputsLevel1Member"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueInputsLevel1Member" xml:lang="en-US"> Fair Value Inputs Level 1 [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueInputsLevel1Member" xml:lang="en-US"> Level 1 [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_FairValueInputsLevel1Member" xlink:to="lab_JHII63I2MI70_us-gaap_FairValueInputsLevel1Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_FairValueInputsLevel2Member"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueInputsLevel2Member" xml:lang="en-US"> Fair Value Inputs Level 2 [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueInputsLevel2Member" xml:lang="en-US"> Level 2 [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_FairValueInputsLevel2Member" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_FairValueInputsLevel2Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_HFGG41G0KG58_us-gaap_FairValueInputsLevel3Member"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueInputsLevel3Member" xml:lang="en-US"> Fair Value Inputs Level 3 [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueInputsLevel3Member" xml:lang="en-US"> Level 3 [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_FairValueInputsLevel3Member" xlink:to="lab_JHII63I2MI70_us-gaap_FairValueInputsLevel3Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xml:lang="en-US"> Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xml:lang="en-US"> Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_EquitySecuritiesOtherCurrentAssets" xlink:label="loc_HFGG41G0KG58_idt_EquitySecuritiesOtherCurrentAssets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_EquitySecuritiesOtherCurrentAssets" xml:lang="en-US"> Equity Securities Other Current Assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_EquitySecuritiesOtherCurrentAssets" xml:lang="en-US"> Equity securities included in other current assets </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_EquitySecuritiesOtherCurrentAssets" xml:lang="en-US"> The amount of equity securities included in other current assets. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_EquitySecuritiesOtherCurrentAssets" xlink:to="lab_JHII63I2MI70_idt_EquitySecuritiesOtherCurrentAssets"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_EquitySecuritiesEquityInvestments" xlink:label="loc_G578G2J8HGI99092F09I_idt_EquitySecuritiesEquityInvestments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesEquityInvestments" xml:lang="en-US"> Equity Securities Equity Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesEquityInvestments" xml:lang="en-US"> Equity securities included in equity investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesEquityInvestments" xml:lang="en-US"> The amount of equity securities included in equity investments. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_EquitySecuritiesEquityInvestments" xlink:to="lab_I790I4L0JIK11214H21K_idt_EquitySecuritiesEquityInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="loc_HFGG41G0KG58_us-gaap_InvestmentsFairValueDisclosure"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_InvestmentsFairValueDisclosure" xml:lang="en-US"> Investments, Fair Value Disclosure </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_InvestmentsFairValueDisclosure" xml:lang="en-US"> Total </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_InvestmentsFairValueDisclosure" xlink:to="lab_JHII63I2MI70_us-gaap_InvestmentsFairValueDisclosure"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xml:lang="en-US"> Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="loc_HFGG41G0KG58_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xml:lang="en-US"> Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="lab_JHII63I2MI70_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xml:lang="en-US"> Balance, beginning of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xml:lang="en-US"> Balance, end of period </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevelThreeFromAdoptionOfAccountingChange" xlink:label="loc_HFGG41G0KG58_idt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevelThreeFromAdoptionOfAccountingChange"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevelThreeFromAdoptionOfAccountingChange" xml:lang="en-US"> Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level Three From Adoption Of Accounting Change </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevelThreeFromAdoptionOfAccountingChange" xml:lang="en-US"> Transfer into Level 3 from adoption of change in accounting for equity investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevelThreeFromAdoptionOfAccountingChange" xml:lang="en-US"> Amount of fair value measurement with unobservable inputs reconciliation recurring basis asset transfers into level three from adoption of accounting change. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevelThreeFromAdoptionOfAccountingChange" xlink:to="lab_JHII63I2MI70_idt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevelThreeFromAdoptionOfAccountingChange"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xml:lang="en-US"> Change in unrealized gains or losses for the period included in earnings for assets held at the end of the period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xml:lang="en-US"> Change in unrealized gains or losses for the period included in earnings for assets held at the end of the period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xml:lang="en-US"> Total losses recognized in "Other income (expense), net" </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AmountOfChangeInUnrealizedGainsOrLossesIncludedInEarningsForAssetsHeldAtEndOfPeriod" xlink:label="loc_HFGG41G0KG58_idt_AmountOfChangeInUnrealizedGainsOrLossesIncludedInEarningsForAssetsHeldAtEndOfPeriod"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_AmountOfChangeInUnrealizedGainsOrLossesIncludedInEarningsForAssetsHeldAtEndOfPeriod" xml:lang="en-US"> Amount Of Change In Unrealized Gains Or Losses Included In Earnings For Assets Held At End Of Period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_AmountOfChangeInUnrealizedGainsOrLossesIncludedInEarningsForAssetsHeldAtEndOfPeriod" xml:lang="en-US"> Change in unrealized gains or losses for the period included in earnings for assets held at the end of the period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_AmountOfChangeInUnrealizedGainsOrLossesIncludedInEarningsForAssetsHeldAtEndOfPeriod" xml:lang="en-US"> Amount of change in unrealized gains or losses included in earnings for assets held at end of period. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_AmountOfChangeInUnrealizedGainsOrLossesIncludedInEarningsForAssetsHeldAtEndOfPeriod" xlink:to="lab_JHII63I2MI70_idt_AmountOfChangeInUnrealizedGainsOrLossesIncludedInEarningsForAssetsHeldAtEndOfPeriod"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_FairValueMeasurementTextualAbstract" xlink:label="loc_G578G2J8HGI99092F09I_idt_FairValueMeasurementTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_FairValueMeasurementTextualAbstract" xml:lang="en-US"> Fair Value Measurement Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_FairValueMeasurementTextualAbstract" xml:lang="en-US"> Fair Value Measurements (Textual) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_FairValueMeasurementTextualAbstract" xlink:to="lab_I790I4L0JIK11214H21K_idt_FairValueMeasurementTextualAbstract"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_InvestmentInHedgeFunds" xlink:label="loc_HFGG41G0KG58_idt_InvestmentInHedgeFunds"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_InvestmentInHedgeFunds" xml:lang="en-US"> Investment In Hedge Funds </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_idt_InvestmentInHedgeFunds" xml:lang="en-US"> Fair value of investments in hedge funds </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_InvestmentInHedgeFunds" xml:lang="en-US"> Investment in hedge funds. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_InvestmentInHedgeFunds" xlink:to="lab_JHII63I2MI70_idt_InvestmentInHedgeFunds"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_FairValueEstimateNotPracticableCostMethodInvestment" xlink:label="loc_G578G2J8HGI99092F09I_idt_FairValueEstimateNotPracticableCostMethodInvestment"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_FairValueEstimateNotPracticableCostMethodInvestment" xml:lang="en-US"> Carrying value of investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_FairValueEstimateNotPracticableCostMethodInvestment" xml:lang="en-US"> Carrying value of investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_FairValueEstimateNotPracticableCostMethodInvestment" xml:lang="en-US"> This item represents a financial instrument (as defined) for which it is not practicable to estimate fair value. Such disclosure may be for an individual financial instrument or a class of financial instruments. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_FairValueEstimateNotPracticableCostMethodInvestment" xlink:to="lab_I790I4L0JIK11214H21K_idt_FairValueEstimateNotPracticableCostMethodInvestment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_HFGG41G0KG58_us-gaap_ScheduleOfStockByClassTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfStockByClassTable" xml:lang="en-US"> Schedule of Stock by Class [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ScheduleOfStockByClassTable" xlink:to="lab_JHII63I2MI70_us-gaap_ScheduleOfStockByClassTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ShareRepurchaseProgramAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ShareRepurchaseProgramAxis" xml:lang="en-US"> Share Repurchase Program [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ShareRepurchaseProgramAxis" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ShareRepurchaseProgramAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_HFGG41G0KG58_us-gaap_ShareRepurchaseProgramDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ShareRepurchaseProgramDomain" xml:lang="en-US"> Share Repurchase Program [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ShareRepurchaseProgramDomain" xlink:to="lab_JHII63I2MI70_us-gaap_ShareRepurchaseProgramDomain"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_StockRepurchaseProgramMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_StockRepurchaseProgramMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_StockRepurchaseProgramMember" xml:lang="en-US"> Stock Repurchase Program [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_StockRepurchaseProgramMember" xml:lang="en-US"> Stock Repurchase Program [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_StockRepurchaseProgramMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_StockRepurchaseProgramMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_TwoThousandFifteenStockOptionAndIncentivePlanMember" xlink:label="loc_HFGG41G0KG58_idt_TwoThousandFifteenStockOptionAndIncentivePlanMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_TwoThousandFifteenStockOptionAndIncentivePlanMember" xml:lang="en-US"> Two Thousand Fifteen Stock Option And Incentive Plan [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_TwoThousandFifteenStockOptionAndIncentivePlanMember" xml:lang="en-US"> 2015 Stock Option and Incentive Plan [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_TwoThousandFifteenStockOptionAndIncentivePlanMember" xlink:to="lab_JHII63I2MI70_idt_TwoThousandFifteenStockOptionAndIncentivePlanMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_TitleOfIndividualAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_TitleOfIndividualAxis" xml:lang="en-US"> Title of Individual [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_TitleOfIndividualAxis" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_TitleOfIndividualAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_HFGG41G0KG58_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xml:lang="en-US"> Relationship to Entity [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="lab_JHII63I2MI70_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_EmployeeMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_EmployeeMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_EmployeeMember" xml:lang="en-US"> Employee [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_EmployeeMember" xml:lang="en-US"> Employee [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_EmployeeMember" xml:lang="en-US"> Represents information realted to employee. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_EmployeeMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_EmployeeMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BoardOfDirectorsChairmanMember" xlink:label="loc_HFGG41G0KG58_us-gaap_BoardOfDirectorsChairmanMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_BoardOfDirectorsChairmanMember" xml:lang="en-US"> Board of Directors Chairman [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_BoardOfDirectorsChairmanMember" xml:lang="en-US"> Howard S. Jonas [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_BoardOfDirectorsChairmanMember" xlink:to="lab_JHII63I2MI70_us-gaap_BoardOfDirectorsChairmanMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityTypeAxis" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OptionIndexedToIssuersEquityTypeAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OptionIndexedToIssuersEquityTypeAxis" xml:lang="en-US"> Option Indexed to Issuer's Equity, Type [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OptionIndexedToIssuersEquityTypeAxis" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OptionIndexedToIssuersEquityTypeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:label="loc_HFGG41G0KG58_us-gaap_OptionIndexedToIssuersEquityTypeDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OptionIndexedToIssuersEquityTypeDomain" xml:lang="en-US"> Option Indexed to Issuer's Equity, Type [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:to="lab_JHII63I2MI70_us-gaap_OptionIndexedToIssuersEquityTypeDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_EmployeeStockOptionMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EmployeeStockOptionMember" xml:lang="en-US"> Employee Stock Option [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EmployeeStockOptionMember" xml:lang="en-US"> Stock options [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EmployeeStockOptionMember" xml:lang="en-US"> 2015 Stock Option and Incentive Plan [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/measurementGuidance" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EmployeeStockOptionMember" xml:lang="en-US"> Stock options [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_EmployeeStockOptionMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_EmployeeStockOptionMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_HFGG41G0KG58_us-gaap_SubsequentEventTypeAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_SubsequentEventTypeAxis" xml:lang="en-US"> Subsequent Event Type [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_SubsequentEventTypeAxis" xlink:to="lab_JHII63I2MI70_us-gaap_SubsequentEventTypeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_SubsequentEventTypeDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SubsequentEventTypeDomain" xml:lang="en-US"> Subsequent Event Type [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_SubsequentEventTypeDomain" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_SubsequentEventTypeDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_HFGG41G0KG58_us-gaap_SubsequentEventMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_SubsequentEventMember" xml:lang="en-US"> Subsequent Event [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_SubsequentEventMember" xml:lang="en-US"> Subsequent event [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_SubsequentEventMember" xlink:to="lab_JHII63I2MI70_us-gaap_SubsequentEventMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ClassOfStockLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ClassOfStockLineItems" xml:lang="en-US"> Class of Stock [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ClassOfStockLineItems" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ClassOfStockLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_EquityTextualAbstract" xlink:label="loc_HFGG41G0KG58_idt_EquityTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_EquityTextualAbstract" xml:lang="en-US"> Equity Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_EquityTextualAbstract" xml:lang="en-US"> Equity (Textual) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_EquityTextualAbstract" xlink:to="lab_JHII63I2MI70_idt_EquityTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xml:lang="en-US"> Stock Repurchase Program, Number of Shares Authorized to be Repurchased </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xml:lang="en-US"> Repurchase of aggregate shares </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_HFGG41G0KG58_us-gaap_TreasuryStockValueAcquiredCostMethod"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_TreasuryStockValueAcquiredCostMethod" xml:lang="en-US"> Treasury Stock, Value, Acquired, Cost Method </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_TreasuryStockValueAcquiredCostMethod" xml:lang="en-US"> Aggregate purchase price of shares repurchased </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_TreasuryStockValueAcquiredCostMethod" xml:lang="en-US"> Repurchases of Class B common stock through repurchase program </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:to="lab_JHII63I2MI70_us-gaap_TreasuryStockValueAcquiredCostMethod"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_TreasuryStockSharesAcquired"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_TreasuryStockSharesAcquired" xml:lang="en-US"> Treasury Stock, Shares, Acquired </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_TreasuryStockSharesAcquired" xml:lang="en-US"> Class B common stock shares repurchased </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_TreasuryStockSharesAcquired" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_TreasuryStockSharesAcquired"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased" xlink:label="loc_HFGG41G0KG58_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased" xml:lang="en-US"> Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased" xml:lang="en-US"> Shares remained available for repurchase under the stock repurchase program </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased" xlink:to="lab_JHII63I2MI70_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xml:lang="en-US"> Sale of Stock, Number of Shares Issued in Transaction </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xml:lang="en-US"> Agreed to purchase shares of common stock </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="loc_HFGG41G0KG58_us-gaap_SaleOfStockPricePerShare"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_SaleOfStockPricePerShare" xml:lang="en-US"> Sale of Stock, Price Per Share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_SaleOfStockPricePerShare" xml:lang="en-US"> Purchase price per share </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_SaleOfStockPricePerShare" xlink:to="lab_JHII63I2MI70_us-gaap_SaleOfStockPricePerShare"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_ReductionToProceedsFromIssuanceOfCommonStock" xlink:label="loc_G578G2J8HGI99092F09I_idt_ReductionToProceedsFromIssuanceOfCommonStock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_ReductionToProceedsFromIssuanceOfCommonStock" xml:lang="en-US"> Reduction To Proceeds From Issuance Of Common Stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_ReductionToProceedsFromIssuanceOfCommonStock" xml:lang="en-US"> Purchase price reduced </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_ReductionToProceedsFromIssuanceOfCommonStock" xml:lang="en-US"> Reduction to proceeds from issuance of common stock. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_ReductionToProceedsFromIssuanceOfCommonStock" xlink:to="lab_I790I4L0JIK11214H21K_idt_ReductionToProceedsFromIssuanceOfCommonStock"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AdjustedNetProceedsFromIssuanceOfCommonStockToBeReceived" xlink:label="loc_HFGG41G0KG58_idt_AdjustedNetProceedsFromIssuanceOfCommonStockToBeReceived"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_AdjustedNetProceedsFromIssuanceOfCommonStockToBeReceived" xml:lang="en-US"> Adjusted Net Proceeds From Issuance Of Common Stock To Be Received </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_AdjustedNetProceedsFromIssuanceOfCommonStockToBeReceived" xml:lang="en-US"> Remainder of purchase price </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_AdjustedNetProceedsFromIssuanceOfCommonStockToBeReceived" xml:lang="en-US"> Adjusted net proceeds from issuance of common stock to be received. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_AdjustedNetProceedsFromIssuanceOfCommonStockToBeReceived" xlink:to="lab_JHII63I2MI70_idt_AdjustedNetProceedsFromIssuanceOfCommonStockToBeReceived"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xml:lang="en-US"> Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xml:lang="en-US"> Common stock available for grant of awards </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:label="loc_HFGG41G0KG58_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xml:lang="en-US"> Weighted-average number of shares used in the calculation of basic and diluted earnings (loss) per share [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:to="lab_JHII63I2MI70_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xml:lang="en-US"> Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xml:lang="en-US"> Effect of dilutive securities: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" xlink:label="loc_HFGG41G0KG58_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" xml:lang="en-US"> Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" xml:lang="en-US"> Stock options </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" xml:lang="en-US"> Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" xlink:to="lab_JHII63I2MI70_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends" xml:lang="en-US"> Incremental Common Shares Attributable to Dilutive Effect of Nonvested Shares with Forfeitable Dividends </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends" xml:lang="en-US"> Non-vested restricted Class B common stock </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:label="loc_HFGG41G0KG58_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xml:lang="en-US"> Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable" xlink:to="lab_JHII63I2MI70_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xml:lang="en-US"> Antidilutive Securities [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_HFGG41G0KG58_us-gaap_AntidilutiveSecuritiesNameDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AntidilutiveSecuritiesNameDomain" xml:lang="en-US"> Antidilutive Securities, Name [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:to="lab_JHII63I2MI70_us-gaap_AntidilutiveSecuritiesNameDomain"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_NonvestedRestrictedClassBCommonStockMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_NonvestedRestrictedClassBCommonStockMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_NonvestedRestrictedClassBCommonStockMember" xml:lang="en-US"> Nonvested Restricted Class B Common Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_NonvestedRestrictedClassBCommonStockMember" xml:lang="en-US"> Non-vested restricted Class B common stock [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_NonvestedRestrictedClassBCommonStockMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_NonvestedRestrictedClassBCommonStockMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:label="loc_HFGG41G0KG58_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:to="lab_JHII63I2MI70_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xml:lang="en-US"> Earnings Per Share, Diluted, Other Disclosures [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xml:lang="en-US"> Shares were excluded from the diluted earnings per share computations </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_HFGG41G0KG58_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US"> Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US"> Shares excluded from the calculation of diluted earnings per share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US"> Shares excluded from the calculation of diluted earnings per share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US"> Shares excluded from the calculation of diluted earnings per share </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="lab_JHII63I2MI70_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_DebtInstrumentTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DebtInstrumentTable" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_DebtInstrumentTable" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_DebtInstrumentTable" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_DebtInstrumentTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_HFGG41G0KG58_us-gaap_LineOfCreditFacilityAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_LineOfCreditFacilityAxis" xml:lang="en-US"> Line Of Credit Facility [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LineOfCreditFacilityAxis" xml:lang="en-US"> Lender Name [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_LineOfCreditFacilityAxis" xlink:to="lab_JHII63I2MI70_us-gaap_LineOfCreditFacilityAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_LineOfCreditFacilityLenderDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LineOfCreditFacilityLenderDomain" xml:lang="en-US"> Line Of Credit Facility Lender [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LineOfCreditFacilityLenderDomain" xml:lang="en-US"> Line of Credit Facility, Lender [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_LineOfCreditFacilityLenderDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrimeRateMember" xlink:label="loc_HFGG41G0KG58_us-gaap_PrimeRateMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_PrimeRateMember" xml:lang="en-US"> Prime Rate [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_PrimeRateMember" xml:lang="en-US"> Prime Rate [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_PrimeRateMember" xlink:to="lab_JHII63I2MI70_us-gaap_PrimeRateMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ShortTermDebtTypeAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ShortTermDebtTypeAxis" xml:lang="en-US"> Short-term Debt, Type [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ShortTermDebtTypeAxis" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ShortTermDebtTypeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_HFGG41G0KG58_us-gaap_ShortTermDebtTypeDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ShortTermDebtTypeDomain" xml:lang="en-US"> Short-term Debt, Type [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ShortTermDebtTypeDomain" xlink:to="lab_JHII63I2MI70_us-gaap_ShortTermDebtTypeDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_LineOfCreditMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LineOfCreditMember" xml:lang="en-US"> Line of Credit [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LineOfCreditMember" xml:lang="en-US"> Line of credit [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_LineOfCreditMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_LineOfCreditMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_HFGG41G0KG58_us-gaap_DebtInstrumentLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_DebtInstrumentLineItems" xml:lang="en-US"> Debt Instrument [Line Items] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_DebtInstrumentLineItems" xml:lang="en-US"> Debt Instrument [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_DebtInstrumentLineItems" xlink:to="lab_JHII63I2MI70_us-gaap_DebtInstrumentLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_RevolvingCreditFacilityTextualAbstract" xlink:label="loc_G578G2J8HGI99092F09I_idt_RevolvingCreditFacilityTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_RevolvingCreditFacilityTextualAbstract" xml:lang="en-US"> Revolving Credit Facility Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_RevolvingCreditFacilityTextualAbstract" xml:lang="en-US"> Revolving Credit Facility (Textual) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_RevolvingCreditFacilityTextualAbstract" xml:lang="en-US"> Revolving Credit Facility Textual [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_RevolvingCreditFacilityTextualAbstract" xlink:to="lab_I790I4L0JIK11214H21K_idt_RevolvingCreditFacilityTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_HFGG41G0KG58_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US"> Line Of Credit Facility Maximum Borrowing Capacity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US"> Maximum principal amount of credit agreement </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="lab_JHII63I2MI70_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US"> Line of Credit Facility, Remaining Borrowing Capacity </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US"> Unused outstanding amount </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_HFGG41G0KG58_us-gaap_LineOfCreditFacilityExpirationDate1"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_LineOfCreditFacilityExpirationDate1" xml:lang="en-US"> Line of Credit Facility, Expiration Date </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LineOfCreditFacilityExpirationDate1" xml:lang="en-US"> Line of credit termination date </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_LineOfCreditFacilityExpirationDate1" xlink:to="lab_JHII63I2MI70_us-gaap_LineOfCreditFacilityExpirationDate1"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xml:lang="en-US"> Line of Credit Facility, Unused Capacity, Commitment Fee Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xml:lang="en-US"> Average percentage of commitment fee per annum </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:label="loc_HFGG41G0KG58_us-gaap_LineOfCreditFacilityInterestRateDescription"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_LineOfCreditFacilityInterestRateDescription" xml:lang="en-US"> Line Of Credit Facility Interest Rate Description </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_LineOfCreditFacilityInterestRateDescription" xml:lang="en-US"> Interest rate, description </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:to="lab_JHII63I2MI70_us-gaap_LineOfCreditFacilityInterestRateDescription"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries" xlink:label="loc_G578G2J8HGI99092F09I_idt_LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries" xml:lang="en-US"> Line Of Credit Covenant Maximum Amount Of Loans And Advances To Affiliates Or Subsidiaries </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries" xml:lang="en-US"> Maximum amount of investments in and advances to affiliates at fair value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries" xml:lang="en-US"> Line of Credit Covenant Maximum Amount of Loans and Advances to Affiliates or Subsidiaries </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries" xlink:to="lab_I790I4L0JIK11214H21K_idt_LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_InvestmentsInAndAdvancesToAffiliates" xlink:label="loc_HFGG41G0KG58_idt_InvestmentsInAndAdvancesToAffiliates"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_InvestmentsInAndAdvancesToAffiliates" xml:lang="en-US"> Investments In And Advances To Affiliates </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_InvestmentsInAndAdvancesToAffiliates" xml:lang="en-US"> Aggregate loans and advances to affiliates and subsidiaries </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_InvestmentsInAndAdvancesToAffiliates" xml:lang="en-US"> Investments In And Advances To Affiliates </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_InvestmentsInAndAdvancesToAffiliates" xlink:to="lab_JHII63I2MI70_idt_InvestmentsInAndAdvancesToAffiliates"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_LineOfCreditUtilizedForLettersOfCreditOutstandingAmount" xlink:label="loc_G578G2J8HGI99092F09I_idt_LineOfCreditUtilizedForLettersOfCreditOutstandingAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_LineOfCreditUtilizedForLettersOfCreditOutstandingAmount" xml:lang="en-US"> Line Of Credit Utilized For Letters Of Credit Outstanding Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_LineOfCreditUtilizedForLettersOfCreditOutstandingAmount" xml:lang="en-US"> Line of credit utilized for letters of credit outstanding amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_LineOfCreditUtilizedForLettersOfCreditOutstandingAmount" xml:lang="en-US"> Line of credit utilized for letters of credit outstanding amount. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_LineOfCreditUtilizedForLettersOfCreditOutstandingAmount" xlink:to="lab_I790I4L0JIK11214H21K_idt_LineOfCreditUtilizedForLettersOfCreditOutstandingAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_HFGG41G0KG58_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:to="lab_JHII63I2MI70_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xml:lang="en-US"> Accumulated Net Unrealized Investment Gain (Loss) [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xml:lang="en-US"> Unrealized Gain (Loss) on Available-for-Sale Securities [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_HFGG41G0KG58_us-gaap_AccumulatedTranslationAdjustmentMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_AccumulatedTranslationAdjustmentMember" xml:lang="en-US"> Accumulated Translation Adjustment [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_AccumulatedTranslationAdjustmentMember" xml:lang="en-US"> Foreign Currency Translation [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_AccumulatedTranslationAdjustmentMember" xlink:to="lab_JHII63I2MI70_us-gaap_AccumulatedTranslationAdjustmentMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AccumulatedOtherComprehensiveMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_AccumulatedOtherComprehensiveMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_AccumulatedOtherComprehensiveMember" xml:lang="en-US"> Accumulated Other Comprehensive [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_AccumulatedOtherComprehensiveMember" xml:lang="en-US"> Accumulated Other Comprehensive Loss [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_AccumulatedOtherComprehensiveMember" xml:lang="en-US"> Accumulated Other Comprehensive Income Loss [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_AccumulatedOtherComprehensiveMember" xml:lang="en-US"> Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_AccumulatedOtherComprehensiveMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_AccumulatedOtherComprehensiveMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_HFGG41G0KG58_us-gaap_IncomeStatementLocationAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeStatementLocationAxis" xml:lang="en-US"> Income Statement Location [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_IncomeStatementLocationAxis" xlink:to="lab_JHII63I2MI70_us-gaap_IncomeStatementLocationAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_IncomeStatementLocationDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeStatementLocationDomain" xml:lang="en-US"> Income Statement Location [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_IncomeStatementLocationDomain" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_IncomeStatementLocationDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpenseMember" xlink:label="loc_HFGG41G0KG58_us-gaap_OtherNonoperatingIncomeExpenseMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OtherNonoperatingIncomeExpenseMember" xml:lang="en-US"> Other Nonoperating Income (Expense) [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherNonoperatingIncomeExpenseMember" xml:lang="en-US"> Other (expense) income, net [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OtherNonoperatingIncomeExpenseMember" xlink:to="lab_JHII63I2MI70_us-gaap_OtherNonoperatingIncomeExpenseMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Line Items] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xml:lang="en-US"> Accumulated Other Comprehensive Income (Loss) [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract" xlink:label="loc_HFGG41G0KG58_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract" xml:lang="en-US"> Schedule Of Accumulated Balances For Each Classification Of Other Comprehensive Income Loss [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract" xml:lang="en-US"> Schedule of accumulated balances for each classification of other comprehensive income (loss) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract" xlink:to="lab_JHII63I2MI70_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAdjusted" xlink:label="loc_G578G2J8HGI99092F09I_idt_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAdjusted"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAdjusted" xml:lang="en-US"> Accumulated Other Comprehensive Income Loss Net Of Tax Adjusted </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAdjusted" xml:lang="en-US"> Adjusted balance, August 1, 2018 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAdjusted" xml:lang="en-US"> Amount of accumulated other comprehensive income loss net of tax adjusted. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAdjusted" xlink:to="lab_I790I4L0JIK11214H21K_idt_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAdjusted"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_HFGG41G0KG58_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="lab_JHII63I2MI70_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationItemsAxis" xlink:label="loc_G578G2J8HGI99092F09I_srt_ConsolidationItemsAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_srt_ConsolidationItemsAxis" xml:lang="en-US"> Consolidation Items [Axis] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_srt_ConsolidationItemsAxis" xml:lang="en-US"> Consolidation Items [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_srt_ConsolidationItemsAxis" xlink:to="lab_I790I4L0JIK11214H21K_srt_ConsolidationItemsAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ConsolidationItemsDomain" xlink:label="loc_HFGG41G0KG58_srt_ConsolidationItemsDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_srt_ConsolidationItemsDomain" xml:lang="en-US"> Consolidation Items [Domain] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_srt_ConsolidationItemsDomain" xml:lang="en-US"> Consolidation Items [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_srt_ConsolidationItemsDomain" xlink:to="lab_JHII63I2MI70_srt_ConsolidationItemsDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OperatingSegmentsMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OperatingSegmentsMember" xml:lang="en-US"> Operating Segments [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OperatingSegmentsMember" xml:lang="en-US"> Operating Segments [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OperatingSegmentsMember" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OperatingSegmentsMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_TelecomAndPaymentServicesMember" xlink:label="loc_HFGG41G0KG58_idt_TelecomAndPaymentServicesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_TelecomAndPaymentServicesMember" xml:lang="en-US"> Telecom And Payment Services [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_TelecomAndPaymentServicesMember" xml:lang="en-US"> Telecom & Payment Services [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_TelecomAndPaymentServicesMember" xlink:to="lab_JHII63I2MI70_idt_TelecomAndPaymentServicesMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_UnifiedCommunicationsAsServiceMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_UnifiedCommunicationsAsServiceMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_UnifiedCommunicationsAsServiceMember" xml:lang="en-US"> Unified Communications As Service [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_UnifiedCommunicationsAsServiceMember" xml:lang="en-US"> net2phone [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_UnifiedCommunicationsAsServiceMember" xml:lang="en-US"> Unified Communications as a Service. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_UnifiedCommunicationsAsServiceMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_UnifiedCommunicationsAsServiceMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_ConsumerPhoneServicesMember" xlink:label="loc_HFGG41G0KG58_idt_ConsumerPhoneServicesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_ConsumerPhoneServicesMember" xml:lang="en-US"> Consumer Phone Services [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_ConsumerPhoneServicesMember" xml:lang="en-US"> Consumer Phone Services [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_ConsumerPhoneServicesMember" xml:lang="en-US"> Consumer Phone Services [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_ConsumerPhoneServicesMember" xlink:to="lab_JHII63I2MI70_idt_ConsumerPhoneServicesMember"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_AllOthersMember" xlink:label="loc_G578G2J8HGI99092F09I_idt_AllOthersMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_AllOthersMember" xml:lang="en-US"> All Others [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_AllOthersMember" xml:lang="en-US"> All Other [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_AllOthersMember" xlink:to="lab_I790I4L0JIK11214H21K_idt_AllOthersMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CorporateMember" xlink:label="loc_HFGG41G0KG58_us-gaap_CorporateMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_CorporateMember" xml:lang="en-US"> Corporate Segment [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CorporateMember" xml:lang="en-US"> Corporate [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_CorporateMember" xml:lang="en-US"> Corporate-loss related to settlement (b) [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/measurementGuidance" xlink:label="lab_JHII63I2MI70_us-gaap_CorporateMember" xml:lang="en-US"> Corporate [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_CorporateMember" xlink:to="lab_JHII63I2MI70_us-gaap_CorporateMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_SegmentReportingInformationLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SegmentReportingInformationLineItems" xml:lang="en-US"> Segment Reporting Information [Line Items] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_SegmentReportingInformationLineItems" xml:lang="en-US"> Segment Reporting Information [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_SegmentReportingInformationLineItems" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_SegmentReportingInformationLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_BusinessSegmentInformationTextualAbstract" xlink:label="loc_HFGG41G0KG58_idt_BusinessSegmentInformationTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_BusinessSegmentInformationTextualAbstract" xml:lang="en-US"> Business Segment Information Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_JHII63I2MI70_idt_BusinessSegmentInformationTextualAbstract" xml:lang="en-US"> Business Segment Information (Textual) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_BusinessSegmentInformationTextualAbstract" xlink:to="lab_JHII63I2MI70_idt_BusinessSegmentInformationTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_NumberOfReportableSegments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NumberOfReportableSegments" xml:lang="en-US"> Number of Reportable Segments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_NumberOfReportableSegments" xml:lang="en-US"> Number of reportable segments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_NumberOfReportableSegments" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_NumberOfReportableSegments"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_CommitmentsAndContingenciesTextualAbstract" xlink:label="loc_HFGG41G0KG58_idt_CommitmentsAndContingenciesTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_CommitmentsAndContingenciesTextualAbstract" xml:lang="en-US"> Commitments And Contingencies Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_CommitmentsAndContingenciesTextualAbstract" xml:lang="en-US"> Commitments and Contingencies (Textual) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_CommitmentsAndContingenciesTextualAbstract" xlink:to="lab_JHII63I2MI70_idt_CommitmentsAndContingenciesTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent" xml:lang="en-US"> Accrued Liabilities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent" xml:lang="en-US"> Accrued expenses </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PurchaseObligation" xlink:label="loc_HFGG41G0KG58_us-gaap_PurchaseObligation"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_PurchaseObligation" xml:lang="en-US"> Purchase Obligation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_PurchaseObligation" xml:lang="en-US"> Purchase commitment of company </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_PurchaseObligation" xlink:to="lab_JHII63I2MI70_us-gaap_PurchaseObligation"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherCommitment" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_OtherCommitment"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherCommitment" xml:lang="en-US"> Other Commitment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_OtherCommitment" xml:lang="en-US"> Aggregate commitment </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_OtherCommitment" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_OtherCommitment"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EscrowDeposit" xlink:label="loc_HFGG41G0KG58_us-gaap_EscrowDeposit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_EscrowDeposit" xml:lang="en-US"> Escrow Deposit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_EscrowDeposit" xml:lang="en-US"> Escrow deposit </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_EscrowDeposit" xlink:to="lab_JHII63I2MI70_us-gaap_EscrowDeposit"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_PerformanceBondsOutstanding" xlink:label="loc_G578G2J8HGI99092F09I_idt_PerformanceBondsOutstanding"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_PerformanceBondsOutstanding" xml:lang="en-US"> Performance Bonds Outstanding </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_PerformanceBondsOutstanding" xml:lang="en-US"> Performance bonds outstanding </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_I790I4L0JIK11214H21K_idt_PerformanceBondsOutstanding" xml:lang="en-US"> Performance bonds outstanding. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_PerformanceBondsOutstanding" xlink:to="lab_I790I4L0JIK11214H21K_idt_PerformanceBondsOutstanding"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_CashAndCashEquivalentsSubstantiallyRestricted" xlink:label="loc_HFGG41G0KG58_idt_CashAndCashEquivalentsSubstantiallyRestricted"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_CashAndCashEquivalentsSubstantiallyRestricted" xml:lang="en-US"> Cash And Cash Equivalents Substantially Restricted </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_CashAndCashEquivalentsSubstantiallyRestricted" xml:lang="en-US"> Cash and cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_CashAndCashEquivalentsSubstantiallyRestricted" xml:lang="en-US"> Cash and cash equivalents substantially restricted. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_CashAndCashEquivalentsSubstantiallyRestricted" xlink:to="lab_JHII63I2MI70_idt_CashAndCashEquivalentsSubstantiallyRestricted"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LegalFees" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_LegalFees"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LegalFees" xml:lang="en-US"> Legal Fees </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_LegalFees" xml:lang="en-US"> Legal fees </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_LegalFees" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_LegalFees"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_ScheduleOfOtherIncomeExpenseNetAbstract" xlink:label="loc_HFGG41G0KG58_idt_ScheduleOfOtherIncomeExpenseNetAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_ScheduleOfOtherIncomeExpenseNetAbstract" xml:lang="en-US"> Schedule Of Other Income Expense Net [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_ScheduleOfOtherIncomeExpenseNetAbstract" xml:lang="en-US"> Schedule of other (expense) income, net </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_ScheduleOfOtherIncomeExpenseNetAbstract" xlink:to="lab_JHII63I2MI70_idt_ScheduleOfOtherIncomeExpenseNetAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossRealized" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_ForeignCurrencyTransactionGainLossRealized"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ForeignCurrencyTransactionGainLossRealized" xml:lang="en-US"> Foreign Currency Transaction Gain Loss Realized </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_ForeignCurrencyTransactionGainLossRealized" xml:lang="en-US"> Foreign currency transaction gains (losses) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_ForeignCurrencyTransactionGainLossRealized" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_ForeignCurrencyTransactionGainLossRealized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MarketableSecuritiesGainLoss" xlink:label="loc_HFGG41G0KG58_us-gaap_MarketableSecuritiesGainLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_MarketableSecuritiesGainLoss" xml:lang="en-US"> Marketable Securities, Gain (Loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_MarketableSecuritiesGainLoss" xml:lang="en-US"> (Loss) gain on sale of debt securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_MarketableSecuritiesGainLoss" xlink:to="lab_JHII63I2MI70_us-gaap_MarketableSecuritiesGainLoss"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_GainLossOnInvestments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_GainLossOnInvestments" xml:lang="en-US"> Gain (Loss) on Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_GainLossOnInvestments" xml:lang="en-US"> Gain on investments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_GainLossOnInvestments" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_GainLossOnInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_HFGG41G0KG58_us-gaap_OtherNonoperatingIncomeExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_OtherNonoperatingIncomeExpense" xml:lang="en-US"> Other Nonoperating Income (Expense) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_us-gaap_OtherNonoperatingIncomeExpense" xml:lang="en-US"> Other </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_OtherNonoperatingIncomeExpense" xlink:to="lab_JHII63I2MI70_us-gaap_OtherNonoperatingIncomeExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxContingencyTable" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_IncomeTaxContingencyTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_IncomeTaxContingencyTable" xml:lang="en-US"> Income Tax Contingency [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_IncomeTaxContingencyTable" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_IncomeTaxContingencyTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeAxis" xlink:label="loc_HFGG41G0KG58_srt_RangeAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_srt_RangeAxis" xml:lang="en-US"> Range [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_srt_RangeAxis" xlink:to="lab_JHII63I2MI70_srt_RangeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_RangeMember" xlink:label="loc_G578G2J8HGI99092F09I_srt_RangeMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_srt_RangeMember" xml:lang="en-US"> Range [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_srt_RangeMember" xlink:to="lab_I790I4L0JIK11214H21K_srt_RangeMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MinimumMember" xlink:label="loc_HFGG41G0KG58_srt_MinimumMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_srt_MinimumMember" xml:lang="en-US"> Minimum [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_srt_MinimumMember" xml:lang="en-US"> Minimum [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_srt_MinimumMember" xlink:to="lab_JHII63I2MI70_srt_MinimumMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_MaximumMember" xlink:label="loc_G578G2J8HGI99092F09I_srt_MaximumMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_srt_MaximumMember" xml:lang="en-US"> Maximum [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_srt_MaximumMember" xml:lang="en-US"> Maximum [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_srt_MaximumMember" xlink:to="lab_I790I4L0JIK11214H21K_srt_MaximumMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxContingencyLineItems" xlink:label="loc_HFGG41G0KG58_us-gaap_IncomeTaxContingencyLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_us-gaap_IncomeTaxContingencyLineItems" xml:lang="en-US"> Income Tax Contingency [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_us-gaap_IncomeTaxContingencyLineItems" xlink:to="lab_JHII63I2MI70_us-gaap_IncomeTaxContingencyLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_TheTaxCutsAndJobsActTextualAbstract" xlink:label="loc_G578G2J8HGI99092F09I_idt_TheTaxCutsAndJobsActTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_idt_TheTaxCutsAndJobsActTextualAbstract" xml:lang="en-US"> The Tax Cuts And Jobs Act Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_idt_TheTaxCutsAndJobsActTextualAbstract" xml:lang="en-US"> The Tax Cuts and Jobs Act (Textual) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_idt_TheTaxCutsAndJobsActTextualAbstract" xlink:to="lab_I790I4L0JIK11214H21K_idt_TheTaxCutsAndJobsActTextualAbstract"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRatePhaseInRate" xlink:label="loc_HFGG41G0KG58_idt_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRatePhaseInRate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRatePhaseInRate" xml:lang="en-US"> Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate Phase In Rate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRatePhaseInRate" xml:lang="en-US"> U.S. federal statutory corporate tax rate </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRatePhaseInRate" xml:lang="en-US"> It represents about effective income tax rate reconciliation at federal statutory income tax rate phase in rate. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRatePhaseInRate" xlink:to="lab_JHII63I2MI70_idt_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRatePhaseInRate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_G578G2J8HGI99092F09I_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xml:lang="en-US"> Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_I790I4L0JIK11214H21K_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xml:lang="en-US"> U.S. federal statutory tax rate, thereafter </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_G578G2J8HGI99092F09I_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="lab_I790I4L0JIK11214H21K_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
<loc xlink:type="locator" xlink:href="idt-20190131.xsd#idt_FederalNetOperatingLossCarryforwardsUsedToOffsetTransitionTax" xlink:label="loc_HFGG41G0KG58_idt_FederalNetOperatingLossCarryforwardsUsedToOffsetTransitionTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_JHII63I2MI70_idt_FederalNetOperatingLossCarryforwardsUsedToOffsetTransitionTax" xml:lang="en-US"> Federal Net Operating Loss Carryforwards Used To Offset Transition Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_JHII63I2MI70_idt_FederalNetOperatingLossCarryforwardsUsedToOffsetTransitionTax" xml:lang="en-US"> Federal net operating loss carryforwards </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_JHII63I2MI70_idt_FederalNetOperatingLossCarryforwardsUsedToOffsetTransitionTax" xml:lang="en-US"> Amount of federal net operating loss carryforwards used to offset transition tax. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_HFGG41G0KG58_idt_FederalNetOperatingLossCarryforwardsUsedToOffsetTransitionTax" xlink:to="lab_JHII63I2MI70_idt_FederalNetOperatingLossCarryforwardsUsedToOffsetTransitionTax"/>
</labelLink>
</linkbase>

↑Top
Filing Submission 0001213900-19-003948   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
About — Privacy — Redactions — Help — Sat., Apr. 27, 3:33:12.1pm ET