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Idt Corp – ‘10-Q’ for 1/31/18 – ‘EX-101.LAB’

On:  Monday, 3/12/18, at 4:09pm ET   ·   For:  1/31/18   ·   Accession #:  1213900-18-2826   ·   File #:  1-16371

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

 3/12/18  Idt Corp                          10-Q        1/31/18   69:4.3M                                   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    398K 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     24K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     24K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     20K 
 5: EX-32.2     Certification -- §906 - SOA'02                      HTML     21K 
12: R1          Document and Entity Information                     HTML     42K 
13: R2          Consolidated Balance Sheets                         HTML    130K 
14: R3          Consolidated Balance Sheets (Parenthetical)         HTML     44K 
15: R4          Consolidated Statements of Operations (Unaudited)   HTML     86K 
16: R5          Consolidated Statements of Comprehensive Income     HTML     45K 
                (Loss) (Unaudited)                                               
17: R6          Consolidated Statements of Cash Flows (Unaudited)   HTML    114K 
18: R7          Consolidated Statements of Cash Flows               HTML     23K 
                (Parenthetical) (Unaudited)                                      
19: R8          Basis of Presentation                               HTML     26K 
20: R9          IDT Financial Services Holding Limited Assets and   HTML     50K 
                Liabilities Held for Sale                                        
21: R10         Spin-Off of Rafael Holdings, Inc. and Investment    HTML     41K 
                in Rafael Pharmaceuticals, Inc.                                  
22: R11         Marketable Securities                               HTML     67K 
23: R12         Fair Value Measurements                             HTML     59K 
24: R13         Equity                                              HTML     44K 
25: R14         Earnings (Loss) Per Share                           HTML     45K 
26: R15         Revolving Credit Facility                           HTML     24K 
27: R16         Accumulated Other Comprehensive Loss                HTML     32K 
28: R17         Business Segment Information                        HTML     46K 
29: R18         Commitments and Contingencies                       HTML     53K 
30: R19         Other Income (Expense), Net                         HTML     32K 
31: R20         Income Tax and New Jersey Corporation Business Tax  HTML     39K 
32: R21         Recently Issued Accounting Standard Not Yet         HTML     40K 
                Adopted                                                          
33: R22         IDT Financial Services Holding Limited Assets and   HTML     46K 
                Liabilities Held for Sale (Tables)                               
34: R23         Proposed Spin-Off of Rafael Holdings, Inc. and      HTML     26K 
                Investment in Rafael Pharmaceuticals, Inc.                       
                (Tables)                                                         
35: R24         Marketable Securities (Tables)                      HTML     66K 
36: R25         Fair Value Measurements (Tables)                    HTML     48K 
37: R26         Equity (Tables)                                     HTML     31K 
38: R27         Earnings (Loss) Per Share (Tables)                  HTML     43K 
39: R28         Accumulated Other Comprehensive Loss (Tables)       HTML     30K 
40: R29         Business Segment Information (Tables)               HTML     39K 
41: R30         Other Income (Expense), Net (Tables)                HTML     30K 
42: R31         IDT Financial Services Holding Limited Assets and   HTML     91K 
                Liabilities Held for Sale (Details)                              
43: R32         IDT Financial Services Holding Limited Assets and   HTML     29K 
                Liabilities Held for Sale (Details 1)                            
44: R33         IDT Financial Services Holding Limited Assets and   HTML     30K 
                Liabilities Held for Sale (Details Textual)                      
45: R34         Spin-Off of Rafael Holdings, Inc. and Investment    HTML     29K 
                in Rafael Pharmaceuticals, Inc. (Details)                        
46: R35         Spin-Off of Rafael Holdings, Inc. and Investment    HTML     87K 
                in Rafael Pharmaceuticals, Inc. (Details Textual)                
47: R36         Marketable Securities (Details)                     HTML     69K 
48: R37         Marketable Securities (Details 1)                   HTML     35K 
49: R38         Marketable Securities (Details 2)                   HTML     44K 
50: R39         Marketable Securities (Details 3)                   HTML     30K 
51: R40         Marketable Securities (Details Textual)             HTML     39K 
52: R41         Fair Value Measurements (Details)                   HTML     38K 
53: R42         Fair Value Measurements (Details 1)                 HTML     28K 
54: R43         Fair Value Measurements (Details Textual)           HTML     23K 
55: R44         Equity (Details)                                    HTML     62K 
56: R45         Equity (Details Textual)                            HTML     64K 
57: R46         Earnings (Loss) Per Share (Details)                 HTML     33K 
58: R47         Earnings (Loss) Per Share (Details 1)               HTML     28K 
59: R48         Revolving Credit Facility (Details)                 HTML     41K 
60: R49         Accumulated Other Comprehensive Loss (Details)      HTML     49K 
61: R50         Accumulated Other Comprehensive Loss (Details       HTML     29K 
                Textual)                                                         
62: R51         Business Segment Information (Details)              HTML     45K 
63: R52         Business Segment Information (Details Textual)      HTML     21K 
64: R53         Commitments and Contingencies (Details)             HTML     48K 
65: R54         Other Income (Expense), Net (Details)               HTML     35K 
66: R55         Income Tax and New Jersey Corporation Business Tax  HTML     47K 
                (Details)                                                        
68: XML         IDEA XML File -- Filing Summary                      XML    123K 
67: EXCEL       IDEA Workbook of Financial Reports                  XLSX     71K 
 6: EX-101.INS  XBRL Instance -- idt-20180131                        XML   1.17M 
 8: EX-101.CAL  XBRL Calculations -- idt-20180131_cal                XML    144K 
 9: EX-101.DEF  XBRL Definitions -- idt-20180131_def                 XML    523K 
10: EX-101.LAB  XBRL Labels -- idt-20180131_lab                      XML   1.10M 
11: EX-101.PRE  XBRL Presentations -- idt-20180131_pre               XML    739K 
 7: EX-101.SCH  XBRL Schema -- idt-20180131                          XSD    145K 
69: ZIP         XBRL Zipped Folder -- 0001213900-18-002826-xbrl      Zip    122K

‘EX-101.LAB’   —   XBRL Labels — idt-20180131_lab

This Exhibit is an XBRL XML File.

                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<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"/>
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<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-20180131.xsd#idt_DocumentAndEntityInformationAbstract" xlink:label="loc_K196K48I138K_idt_DocumentAndEntityInformationAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_K196K48I138K_idt_DocumentAndEntityInformationAbstract" xlink:to="lab_M318M60K350M_idt_DocumentAndEntityInformationAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StatementTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_StatementTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_StatementTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_K196K48I138K_us-gaap_StatementClassOfStockAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_StatementClassOfStockAxis" xlink:to="lab_M318M60K350M_us-gaap_StatementClassOfStockAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ClassOfStockDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_ClassOfStockDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ClassOfStockDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonClassAMember" xlink:label="loc_K196K48I138K_us-gaap_CommonClassAMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_M318M60K350M_us-gaap_CommonClassAMember" xml:lang="en-US"> Class A common stock [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CommonClassAMember" xlink:to="lab_M318M60K350M_us-gaap_CommonClassAMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonClassBMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CommonClassBMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_CommonClassBMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CommonClassBMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_K196K48I138K_us-gaap_StatementLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_StatementLineItems" xlink:to="lab_M318M60K350M_us-gaap_StatementLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_8H6FHF4I49GG985JF602_dei_EntityRegistrantName"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_dei_EntityRegistrantName" xlink:to="lab_0J8HJH6K61II107LH824_dei_EntityRegistrantName"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_K196K48I138K_dei_EntityCentralIndexKey"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_dei_EntityCentralIndexKey" xlink:to="lab_M318M60K350M_dei_EntityCentralIndexKey"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_8H6FHF4I49GG985JF602_dei_AmendmentFlag"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_dei_AmendmentFlag" xlink:to="lab_0J8HJH6K61II107LH824_dei_AmendmentFlag"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_TradingSymbol" xlink:label="loc_K196K48I138K_dei_TradingSymbol"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_K196K48I138K_dei_TradingSymbol" xlink:to="lab_M318M60K350M_dei_TradingSymbol"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_8H6FHF4I49GG985JF602_dei_CurrentFiscalYearEndDate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_dei_CurrentFiscalYearEndDate" xlink:to="lab_0J8HJH6K61II107LH824_dei_CurrentFiscalYearEndDate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="loc_K196K48I138K_dei_DocumentType"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_dei_DocumentType" xlink:to="lab_M318M60K350M_dei_DocumentType"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_8H6FHF4I49GG985JF602_dei_DocumentPeriodEndDate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_dei_DocumentPeriodEndDate" xlink:to="lab_0J8HJH6K61II107LH824_dei_DocumentPeriodEndDate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_K196K48I138K_dei_DocumentFiscalYearFocus"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_dei_DocumentFiscalYearFocus" xlink:to="lab_M318M60K350M_dei_DocumentFiscalYearFocus"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_8H6FHF4I49GG985JF602_dei_DocumentFiscalPeriodFocus"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_dei_DocumentFiscalPeriodFocus" xml:lang="en-US"> Document Fiscal Period Focus </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_AssetsCurrentAbstract" xml:lang="en-US"> Current assets: </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US"> Cash and cash equivalents (excluding discontinued operations) at end of period </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US"> Cash and cash equivalents at end of year </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MarketableSecuritiesCurrent" xlink:label="loc_K196K48I138K_us-gaap_MarketableSecuritiesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_MarketableSecuritiesCurrent" xml:lang="en-US"> Marketable securities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_MarketableSecuritiesCurrent" xml:lang="en-US"> Available-for-sale securities: </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_MarketableSecuritiesCurrent" xml:lang="en-US"> Fair Value </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_MarketableSecuritiesCurrent" xml:lang="en-US"> Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_M318M60K350M_us-gaap_MarketableSecuritiesCurrent" xml:lang="en-US"> Marketable securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_MarketableSecuritiesCurrent" xlink:to="lab_M318M60K350M_us-gaap_MarketableSecuritiesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesNetCurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ReceivablesNetCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_ReceivablesNetCurrent" xml:lang="en-US"> Trade accounts receivable, net of allowance for doubtful accounts of $2,642 at January 31, 2018 and $2,657 at July 31, 2017 </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ReceivablesNetCurrent" xml:lang="en-US"> Receivable from Rafael Holdings, Inc. </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="loc_K196K48I138K_us-gaap_PrepaidExpenseCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_PrepaidExpenseCurrent" xlink:to="lab_M318M60K350M_us-gaap_PrepaidExpenseCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OtherAssetsCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_OtherAssetsCurrent" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OtherAssetsCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_K196K48I138K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> Assets held for sale </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> TOTAL CURRENT ASSETS HELD FOR SALE </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AssetsCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_AssetsCurrent" xml:lang="en-US"> Total current assets </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_K196K48I138K_us-gaap_PropertyPlantAndEquipmentNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_PropertyPlantAndEquipmentNet" xlink:to="lab_M318M60K350M_us-gaap_PropertyPlantAndEquipmentNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_Goodwill"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Goodwill" xml:lang="en-US"> Goodwill </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermInvestments" xlink:label="loc_K196K48I138K_us-gaap_LongTermInvestments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_LongTermInvestments" xml:lang="en-US"> Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_LongTermInvestments" xml:lang="en-US"> Series C convertible notes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_M318M60K350M_us-gaap_LongTermInvestments" xml:lang="en-US"> Investments </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DeferredTaxAssetsNetNoncurrent"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_OtherAssetsNoncurrent" xlink:to="lab_M318M60K350M_us-gaap_OtherAssetsNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" xml:lang="en-US"> Other assets </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="loc_K196K48I138K_us-gaap_Assets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_Assets" xlink:to="lab_M318M60K350M_us-gaap_Assets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_K196K48I138K_us-gaap_LiabilitiesCurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_LiabilitiesCurrentAbstract" xlink:to="lab_M318M60K350M_us-gaap_LiabilitiesCurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AccountsPayableCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_AccountsPayableCurrent" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AccountsPayableCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_K196K48I138K_us-gaap_AccruedLiabilitiesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_AccruedLiabilitiesCurrent" xlink:to="lab_M318M60K350M_us-gaap_AccruedLiabilitiesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DeferredRevenueCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_DeferredRevenueCurrent" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DeferredRevenueCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_K196K48I138K_us-gaap_OtherLiabilitiesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_OtherLiabilitiesCurrent" xlink:to="lab_M318M60K350M_us-gaap_OtherLiabilitiesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xml:lang="en-US"> TOTAL CURRENT LIABILITIES HELD FOR SALE </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_K196K48I138K_us-gaap_LiabilitiesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_LiabilitiesCurrent" xlink:to="lab_M318M60K350M_us-gaap_LiabilitiesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OtherLiabilitiesNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_OtherLiabilitiesNoncurrent" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OtherLiabilitiesNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xlink:label="loc_K196K48I138K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" xlink:to="lab_M318M60K350M_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_Liabilities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_Liabilities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_Liabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_K196K48I138K_us-gaap_CommitmentsAndContingencies"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_CommitmentsAndContingencies" xlink:to="lab_M318M60K350M_us-gaap_CommitmentsAndContingencies"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xml:lang="en-US"> Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xml:lang="en-US"> Equity: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_K196K48I138K_us-gaap_StockholdersEquityAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_StockholdersEquityAbstract" xlink:to="lab_M318M60K350M_us-gaap_StockholdersEquityAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PreferredStockValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_PreferredStockValue" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_K196K48I138K_us-gaap_CommonStockValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_CommonStockValue" xlink:to="lab_M318M60K350M_us-gaap_CommonStockValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AdditionalPaidInCapital"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_AdditionalPaidInCapital" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AdditionalPaidInCapital"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_K196K48I138K_us-gaap_TreasuryStockValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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 2,302 and 2,297 shares of Class B common stock at January 31, 2018 and July 31, 2017, respectively </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TreasuryStockValue" xlink:to="lab_M318M60K350M_us-gaap_TreasuryStockValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Accumulated other comprehensive loss </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StockholdersEquity"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_StockholdersEquity" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_StockholdersEquity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_K196K48I138K_us-gaap_MinorityInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_MinorityInterest" xlink:to="lab_M318M60K350M_us-gaap_MinorityInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_K196K48I138K_us-gaap_LiabilitiesAndStockholdersEquity"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="lab_M318M60K350M_us-gaap_LiabilitiesAndStockholdersEquity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_K196K48I138K_us-gaap_PreferredStockParOrStatedValuePerShare"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="lab_M318M60K350M_us-gaap_PreferredStockParOrStatedValuePerShare"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PreferredStockSharesAuthorized"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_PreferredStockSharesAuthorized" xml:lang="en-US"> Preferred stock, authorized shares </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PreferredStockSharesAuthorized" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PreferredStockSharesAuthorized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_K196K48I138K_us-gaap_PreferredStockSharesIssued"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_PreferredStockSharesIssued" xlink:to="lab_M318M60K350M_us-gaap_PreferredStockSharesIssued"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CommonStockParOrStatedValuePerShare"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CommonStockParOrStatedValuePerShare"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_K196K48I138K_us-gaap_CommonStockSharesAuthorized"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_CommonStockSharesAuthorized" xlink:to="lab_M318M60K350M_us-gaap_CommonStockSharesAuthorized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CommonStockSharesIssued"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_CommonStockSharesIssued" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CommonStockSharesIssued"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_K196K48I138K_us-gaap_CommonStockSharesOutstanding"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_CommonStockSharesOutstanding" xlink:to="lab_M318M60K350M_us-gaap_CommonStockSharesOutstanding"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TreasuryStockShares"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_TreasuryStockShares" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TreasuryStockShares"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_K196K48I138K_us-gaap_IncomeStatementAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_IncomeStatementAbstract" xlink:to="lab_M318M60K350M_us-gaap_IncomeStatementAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Revenues" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_Revenues"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_Revenues" xml:lang="en-US"> TOTAL REVENUES </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/measurementGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_Revenues" xml:lang="en-US"> Revenues </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_Revenues" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_Revenues"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="loc_K196K48I138K_us-gaap_OperatingExpensesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_OperatingExpensesAbstract" xlink:to="lab_M318M60K350M_us-gaap_OperatingExpensesAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CostOfRevenue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_CostOfRevenue" xml:lang="en-US"> Direct cost of revenues </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DepreciationAndAmortization"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_SeveranceCosts1" xml:lang="en-US"> Severance Costs </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherGeneralExpense" xlink:label="loc_K196K48I138K_us-gaap_OtherGeneralExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_us-gaap_OtherGeneralExpense" xml:lang="en-US"> Legal fees </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherGeneralExpense" xml:lang="en-US"> Other operating expense </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingIncomeLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_OperatingIncomeLoss" xml:lang="en-US"> (Loss) income from operations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_OperatingIncomeLoss" xml:lang="en-US"> Loss from operations expense </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_OperatingIncomeLoss" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OperatingIncomeLoss"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestIncomeExpenseNet" xlink:label="loc_K196K48I138K_us-gaap_InterestIncomeExpenseNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_InterestIncomeExpenseNet" xlink:to="lab_M318M60K350M_us-gaap_InterestIncomeExpenseNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NonoperatingIncomeExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_NonoperatingIncomeExpense" xml:lang="en-US"> Total other (expense) income, net </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xlink:label="loc_K196K48I138K_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US"> INCOME BEFORE INCOME TAXES </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_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_M318M60K350M_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/disclosureGuidance" xlink:label="lab_M318M60K350M_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" xml:lang="en-US"> INCOME (LOSS) BEFORE INCOME TAXES </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxExpenseBenefit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> Income Tax Expense (Benefit) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> Benefit from income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/positiveLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> Income Tax Expense (Benefit) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> Income Tax Expense (Benefit) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_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/negatedTotalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US"> BENEFIT FROM (PROVISION FOR) INCOME TAXES </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_K196K48I138K_us-gaap_ProfitLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_ProfitLoss" xml:lang="en-US"> Net loss </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_M318M60K350M_us-gaap_ProfitLoss" xml:lang="en-US"> Net income for the year </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/presentationGuidance" xlink:label="lab_M318M60K350M_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_K196K48I138K_us-gaap_ProfitLoss" xlink:to="lab_M318M60K350M_us-gaap_ProfitLoss"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US"> Net Income Loss Attributable To Noncontrolling Interest </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_K196K48I138K_us-gaap_NetIncomeLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_M318M60K350M_us-gaap_NetIncomeLoss" xml:lang="en-US"> NET INCOME ATTRIBUTABLE TO IDT CORPORATION </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_NetIncomeLoss" xlink:to="lab_M318M60K350M_us-gaap_NetIncomeLoss"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_EarningsPerShareAbstract"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EarningsPerShareAbstract" xml:lang="en-US"> Earnings (loss) per share attributable to IDT Corporation common stockholders: </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EarningsPerShareAbstract" xml:lang="en-US"> (Loss) earnings per share attributable to IDT Corporation common stockholders: </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EarningsPerShareAbstract" xml:lang="en-US"> Earnings per share attributable to IDT Corporation common stockholders: </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_EarningsPerShareBasic" xml:lang="en-US"> Basic </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_EarningsPerShareBasic" xml:lang="en-US"> Net income (loss) per share - basic </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US"> Net other comprehensive income (loss) attributable to IDT Corporation </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US"> Adjustments to reconcile net income to net cash provided by operating activities: </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:label="loc_K196K48I138K_us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_DeferredIncomeTaxesAndTaxCredits" xml:lang="en-US"> Deferred income taxes </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DeferredIncomeTaxesAndTaxCredits" xml:lang="en-US"> Corporation business tax credits </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:to="lab_M318M60K350M_us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ProvisionForDoubtfulAccounts"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_ProvisionForDoubtfulAccounts" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ProvisionForDoubtfulAccounts"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xlink:label="loc_K196K48I138K_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xml:lang="en-US"> Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xml:lang="en-US"> Net realized gains from investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xml:lang="en-US"> Realized gain on marketable securities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xml:lang="en-US"> Realized loss (gain) on marketable securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments" xlink:to="lab_M318M60K350M_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeLossFromEquityMethodInvestments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncomeLossFromEquityMethodInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_K196K48I138K_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US"> Increase Decrease In Operating Capital [Abstract] </label>
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<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="lab_M318M60K350M_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities" xml:lang="en-US"> Increase Decrease In Restricted Cash For Operating Activities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities" xml:lang="en-US"> Restricted cash and cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities" xml:lang="en-US"> Restricted cash and cash equivalents </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_K196K48I138K_us-gaap_IncreaseDecreaseInAccountsReceivable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="lab_M318M60K350M_us-gaap_IncreaseDecreaseInAccountsReceivable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_K196K48I138K_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US"> Increase Decrease In Accounts Payable And Accrued Liabilities </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US"> Trade accounts payable, accrued expenses, other current liabilities and other liabilities </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInCustomerDeposits" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInCustomerDeposits"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInCustomerDeposits" xml:lang="en-US"> Increase Decrease In Customer Deposits </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInCustomerDeposits" xml:lang="en-US"> Customer deposits </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInCustomerDeposits" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInCustomerDeposits"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_K196K48I138K_us-gaap_IncreaseDecreaseInDeferredRevenue"/>
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<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:to="lab_M318M60K350M_us-gaap_IncreaseDecreaseInDeferredRevenue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US"> Net cash used in operating activities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US"> Net Cash Provided by (Used in) Investing Activities [Abstract] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_RelatedPartyTransactionSaleToRelatedPartyAmount" xlink:label="loc_K196K48I138K_idt_RelatedPartyTransactionSaleToRelatedPartyAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_idt_RelatedPartyTransactionSaleToRelatedPartyAmount" xml:lang="en-US"> Net proceeds from sale of majority interests in New SPIP </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_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/disclosureGuidance" xlink:label="lab_M318M60K350M_idt_RelatedPartyTransactionSaleToRelatedPartyAmount" xml:lang="en-US"> Proceeds from sale of interest in Straight Path IP Group Holding, Inc. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_RelatedPartyTransactionSaleToRelatedPartyAmount" xlink:to="lab_M318M60K350M_idt_RelatedPartyTransactionSaleToRelatedPartyAmount"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_LossContingencyPaymentForAssets" xlink:label="loc_8H6FHF4I49GG985JF602_idt_LossContingencyPaymentForAssets"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsToAcquireInvestments" xml:lang="en-US"> Purchase of investments </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecurities" xlink:label="loc_K196K48I138K_us-gaap_PaymentsToAcquireMarketableSecurities"/>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_K196K48I138K_us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US"> Net cash provided by (used in) investing activities </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xml:lang="en-US"> Financing activities </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_K196K48I138K_us-gaap_PaymentsOfDividendsCommonStock"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_PaymentsOfDividendsCommonStock" xml:lang="en-US"> Dividends declared ($0.75 per share) </label>
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<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PaymentsOfDividendsCommonStock" xlink:to="lab_M318M60K350M_us-gaap_PaymentsOfDividendsCommonStock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsOfCapitalDistribution" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PaymentsOfCapitalDistribution"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_PaymentsOfCapitalDistribution" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PaymentsOfCapitalDistribution"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_K196K48I138K_us-gaap_ProceedsFromLinesOfCredit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_ProceedsFromLinesOfCredit" xlink:to="lab_M318M60K350M_us-gaap_ProceedsFromLinesOfCredit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_RepaymentsOfLinesOfCredit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RepaymentsOfLinesOfCredit" xml:lang="en-US"> Repayments of Lines of Credit </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_RepaymentsOfLinesOfCredit" xml:lang="en-US"> Repayments of borrowings under revolving credit facility </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_RepaymentsOfLinesOfCredit" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_RepaymentsOfLinesOfCredit"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_K196K48I138K_us-gaap_ProceedsFromStockOptionsExercised"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromStockOptionsExercised" xml:lang="en-US"> Proceeds from Stock Options Exercised </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromStockOptionsExercised" xml:lang="en-US"> Proceeds from exercise of stock options </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_ProceedsFromStockOptionsExercised" xml:lang="en-US"> Proceeds from exercise of stock options </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ProceedsFromStockOptionsExercised" xlink:to="lab_M318M60K350M_us-gaap_ProceedsFromStockOptionsExercised"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_ProceedsFromSaleOfInterestInLimitedLiabilityCompany" xlink:label="loc_8H6FHF4I49GG985JF602_idt_ProceedsFromSaleOfInterestInLimitedLiabilityCompany"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_ProceedsFromSaleOfInterestInLimitedLiabilityCompany" xml:lang="en-US"> Proceeds From Sale Of Interest In Limited Liability Company </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_ProceedsFromSaleOfInterestInLimitedLiabilityCompany" xml:lang="en-US"> Proceeds from sale of interest in limited liability company. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_0J8HJH6K61II107LH824_idt_ProceedsFromSaleOfInterestInLimitedLiabilityCompany" xml:lang="en-US"> Proceeds from sale of member interests in CS Pharma Holdings, LLC. </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_K196K48I138K_us-gaap_PaymentsForRepurchaseOfCommonStock"/>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US"> Net cash used in financing activities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_K196K48I138K_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xml:lang="en-US"> Effect Of Exchange Rate On Cash And Cash Equivalents </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US"> Cash And Cash Equivalents Period Increase Decrease </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US"> Net decrease in cash and cash equivalents </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations" xlink:label="loc_K196K48I138K_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations" xml:lang="en-US"> Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_M318M60K350M_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations" xml:lang="en-US"> Cash and cash equivalents at beginning of period, including $5,716 held for sale at July 31, 2017 </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTextBlock" xml:lang="en-US"> Summary of weighted-average number of shares used in the calculation of basic and diluted (loss) earnings per share </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xml:lang="en-US"> Summary of shares excluded from the diluted earnings per share </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_M318M60K350M_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xml:lang="en-US"> Summary of shares excluded from the diluted earnings per share </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xml:lang="en-US"> Schedule of accumulated balances for each classification of other comprehensive loss </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="loc_K196K48I138K_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xml:lang="en-US"> Summary of operating results of business segments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="lab_M318M60K350M_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" 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_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="loc_K196K48I138K_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xml:lang="en-US"> Disposal Groups, Including Discontinued Operations [Table] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TitleOfIndividualAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_TitleOfIndividualAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TitleOfIndividualAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_K196K48I138K_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain"/>
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<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="lab_M318M60K350M_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_IdtFinancialServicesHoldingLimitedMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_IdtFinancialServicesHoldingLimitedMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_idt_IdtFinancialServicesHoldingLimitedMember" xml:lang="en-US"> IDT Financial Services Holding Limited [Member] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="loc_K196K48I138K_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_K196K48I138K_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="lab_M318M60K350M_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents" xlink:label="loc_K196K48I138K_idt_DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Restricted Cash And Cash Equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents" xml:lang="en-US"> Restricted cash and cash equivalents </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents" 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_K196K48I138K_idt_DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents" xlink:to="lab_M318M60K350M_idt_DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" xml:lang="en-US"> Trade accounts receivable, net of allowance for doubtful accounts of $3,239 and $2,550 at January 31, 2018 and July 31, 2017, respectively </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent" xlink:label="loc_K196K48I138K_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent" xlink:to="lab_M318M60K350M_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xlink:label="loc_K196K48I138K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xlink:to="lab_M318M60K350M_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent" xlink:label="loc_K196K48I138K_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent" xlink:to="lab_M318M60K350M_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xlink:label="loc_K196K48I138K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract" xlink:to="lab_M318M60K350M_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent" xlink:label="loc_K196K48I138K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent" xlink:to="lab_M318M60K350M_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_DisposalGroupIncludingDiscontinuedOperationCustomerDeposits" xlink:label="loc_K196K48I138K_idt_DisposalGroupIncludingDiscontinuedOperationCustomerDeposits"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_DisposalGroupIncludingDiscontinuedOperationCustomerDeposits" xml:lang="en-US"> Disposal Group, Including Discontinued Operation, Customer Deposits </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_idt_DisposalGroupIncludingDiscontinuedOperationCustomerDeposits" xml:lang="en-US"> Customer deposits </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_DisposalGroupIncludingDiscontinuedOperationCustomerDeposits" 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_K196K48I138K_idt_DisposalGroupIncludingDiscontinuedOperationCustomerDeposits" xlink:to="lab_M318M60K350M_idt_DisposalGroupIncludingDiscontinuedOperationCustomerDeposits"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xlink:label="loc_K196K48I138K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xlink:to="lab_M318M60K350M_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_K196K48I138K_dei_LegalEntityAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_K196K48I138K_dei_LegalEntityAxis" xlink:to="lab_M318M60K350M_dei_LegalEntityAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_8H6FHF4I49GG985JF602_dei_EntityDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_dei_EntityDomain" xlink:to="lab_0J8HJH6K61II107LH824_dei_EntityDomain"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xlink:label="loc_K196K48I138K_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xml:lang="en-US"> INCOME BEFORE INCOME TAXES ATTRIBUTABLE TO IDT CORPORATION </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_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_M318M60K350M_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xml:lang="en-US"> This element represents the income loss from continuing operations before income taxes extraordinary item. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xlink:to="lab_M318M60K350M_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable" xlink:label="loc_8H6FHF4I49GG985JF602_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable" xlink:to="lab_0J8HJH6K61II107LH824_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_AssetsAndHeldForSaleLineItems" xlink:label="loc_K196K48I138K_idt_AssetsAndHeldForSaleLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_idt_AssetsAndHeldForSaleLineItems" xlink:to="lab_M318M60K350M_idt_AssetsAndHeldForSaleLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract" xlink:to="lab_0J8HJH6K61II107LH824_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:label="loc_K196K48I138K_us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:to="lab_M318M60K350M_us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts" xlink:label="loc_8H6FHF4I49GG985JF602_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts" xml:lang="en-US"> Disposal Group Including Discontinued Operation Allowance For Doubtful Accounts </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts" xml:lang="en-US"> Allowance for doubtful accounts </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts" xlink:to="lab_0J8HJH6K61II107LH824_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsNet" xlink:label="loc_K196K48I138K_us-gaap_AssetsNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_AssetsNet" xlink:to="lab_M318M60K350M_us-gaap_AssetsNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentHoldingsTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentHoldingsTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentHoldingsTable" xml:lang="en-US"> Investment Holdings [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentHoldingsTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentHoldingsTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_InvestmentAxis" xlink:label="loc_K196K48I138K_invest_InvestmentAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_invest_InvestmentAxis" xml:lang="en-US"> Investment [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_invest_InvestmentAxis" xlink:to="lab_M318M60K350M_invest_InvestmentAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_InvestmentDomain" xlink:label="loc_8H6FHF4I49GG985JF602_invest_InvestmentDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_invest_InvestmentDomain" xml:lang="en-US"> Investment [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_invest_InvestmentDomain" xlink:to="lab_0J8HJH6K61II107LH824_invest_InvestmentDomain"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_RafaelPharmaceuticalsIncMember" xlink:label="loc_K196K48I138K_idt_RafaelPharmaceuticalsIncMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_RafaelPharmaceuticalsIncMember" xml:lang="en-US"> Rafael Pharmaceuticals Inc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_RafaelPharmaceuticalsIncMember" xml:lang="en-US"> Rafael Pharma [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_idt_RafaelPharmaceuticalsIncMember" xml:lang="en-US"> Rafael Pharmaceuticals, Inc. [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_M318M60K350M_idt_RafaelPharmaceuticalsIncMember" xml:lang="en-US"> Rafael Pharmaceuticals, Inc. [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_RafaelPharmaceuticalsIncMember" xlink:to="lab_M318M60K350M_idt_RafaelPharmaceuticalsIncMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SummaryOfInvestmentHoldingsLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_SummaryOfInvestmentHoldingsLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SummaryOfInvestmentHoldingsLineItems" xml:lang="en-US"> Summary of Investment Holdings [Line Items] </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_ScheduleOfConsolidatedBalanceSheetsAbstract" xlink:label="loc_K196K48I138K_idt_ScheduleOfConsolidatedBalanceSheetsAbstract"/>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConvertibleDebtFairValueDisclosures" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ConvertibleDebtFairValueDisclosures"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ConvertibleDebtFairValueDisclosures" xml:lang="en-US"> Convertible Debt, Fair Value Disclosures </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ConvertibleDebtFairValueDisclosures" xml:lang="en-US"> Series D Note (at fair value) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ConvertibleDebtFairValueDisclosures" xml:lang="en-US"> Convertible promissory note (at fair value) </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WarrantsAndRightsOutstanding" xlink:label="loc_K196K48I138K_us-gaap_WarrantsAndRightsOutstanding"/>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_RightToReceiveAdditionalShares" xlink:label="loc_8H6FHF4I49GG985JF602_idt_RightToReceiveAdditionalShares"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_RightToReceiveAdditionalShares" xml:lang="en-US"> Right To Receive Additional Shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_RightToReceiveAdditionalShares" xml:lang="en-US"> Right to receive additional shares (at cost) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_RightToReceiveAdditionalShares" xml:lang="en-US"> Value of right to receive additional shares. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_RightToReceiveAdditionalShares" xml:lang="en-US"> Right to receive additional shares (at cost) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_RightToReceiveAdditionalShares" xlink:to="lab_0J8HJH6K61II107LH824_idt_RightToReceiveAdditionalShares"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentOwnedAtCost" xlink:label="loc_K196K48I138K_us-gaap_InvestmentOwnedAtCost"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InvestmentOwnedAtCost" xml:lang="en-US"> Investment Owned, at Cost </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_InvestmentOwnedAtCost" xml:lang="en-US"> Carrying value of Series C preferred stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_InvestmentOwnedAtCost" xml:lang="en-US"> Total investment in Rafael Pharma </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_M318M60K350M_us-gaap_InvestmentOwnedAtCost" xml:lang="en-US"> Total investment in Rafael </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfInvestmentsTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfInvestmentsTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfInvestmentsTable" xml:lang="en-US"> Schedule of Investments [Table] </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_CsPharmaHoldingsMember" xlink:label="loc_K196K48I138K_idt_CsPharmaHoldingsMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_CsPharmaHoldingsMember" xml:lang="en-US"> Cs Pharma Holdings [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_CsPharmaHoldingsMember" xml:lang="en-US"> CS Pharma Holdings, LLC [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_CsPharmaHoldingsMember" xlink:to="lab_M318M60K350M_idt_CsPharmaHoldingsMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_IdtRafaelHoldingsLlcMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_IdtRafaelHoldingsLlcMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_IdtRafaelHoldingsLlcMember" xml:lang="en-US"> Idt-Rafael Holdings Llc [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_IdtRafaelHoldingsLlcMember" xml:lang="en-US"> IDT-Rafael Holdings, LLC [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_IdtRafaelHoldingsLlcMember" xlink:to="lab_0J8HJH6K61II107LH824_idt_IdtRafaelHoldingsLlcMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_K196K48I138K_us-gaap_LongtermDebtTypeAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LongtermDebtTypeAxis" xml:lang="en-US"> Long-term Debt, Type [Axis] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LongtermDebtTypeDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_LongtermDebtTypeDomain" xml:lang="en-US"> Long-term Debt, Type [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_LongtermDebtTypeDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LongtermDebtTypeDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConvertibleDebtMember" xlink:label="loc_K196K48I138K_us-gaap_ConvertibleDebtMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ConvertibleDebtMember" xml:lang="en-US"> Convertible Debt [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ConvertibleDebtMember" xlink:to="lab_M318M60K350M_us-gaap_ConvertibleDebtMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConvertibleNotesPayableMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ConvertibleNotesPayableMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ConvertibleNotesPayableMember" xml:lang="en-US"> Convertible Notes Payable [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ConvertibleNotesPayableMember" xml:lang="en-US"> Convertible promissory note ("Series D Note") [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ConvertibleNotesPayableMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ConvertibleNotesPayableMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_ConvertiblePromissoryNoteMember" xlink:label="loc_K196K48I138K_idt_ConvertiblePromissoryNoteMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_ConvertiblePromissoryNoteMember" xml:lang="en-US"> Convertible Promissory Note [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_ConvertiblePromissoryNoteMember" xml:lang="en-US"> Convertible promissory note [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_ConvertiblePromissoryNoteMember" xml:lang="en-US"> Convertible promissory note. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_ConvertiblePromissoryNoteMember" xlink:to="lab_M318M60K350M_idt_ConvertiblePromissoryNoteMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_RafaelHoldingsIncMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_RafaelHoldingsIncMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_idt_RafaelHoldingsIncMember" xlink:to="lab_0J8HJH6K61II107LH824_idt_RafaelHoldingsIncMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_HowardAndDeborahJonasMember" xlink:label="loc_K196K48I138K_idt_HowardAndDeborahJonasMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_HowardAndDeborahJonasMember" xml:lang="en-US"> Howard And Deborah Jonas [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_HowardAndDeborahJonasMember" xml:lang="en-US"> Howard and Deborah Jonas [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_HowardAndDeborahJonasMember" xml:lang="en-US"> Howard and Deborah Jonas. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_HowardAndDeborahJonasMember" xlink:to="lab_M318M60K350M_idt_HowardAndDeborahJonasMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_HowardSAndDeborahJonasFoundationMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_HowardSAndDeborahJonasFoundationMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_HowardSAndDeborahJonasFoundationMember" xml:lang="en-US"> Howard S And Deborah Jonas Foundation [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_HowardSAndDeborahJonasFoundationMember" xml:lang="en-US"> The Howard S. and Deborah Jonas Foundation [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_HowardSAndDeborahJonasFoundationMember" xml:lang="en-US"> The Howard S. and Deborah Jonas Foundation. </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_JonasMember" xlink:label="loc_K196K48I138K_idt_JonasMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_JonasMember" xml:lang="en-US"> Jonas [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_JonasMember" xml:lang="en-US"> Howard S. Jonas [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_idt_JonasMember" 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_K196K48I138K_idt_JonasMember" xlink:to="lab_M318M60K350M_idt_JonasMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StatementEquityComponentsAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_StatementEquityComponentsAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_StatementEquityComponentsAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_K196K48I138K_us-gaap_EquityComponentDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_EquityComponentDomain" xlink:to="lab_M318M60K350M_us-gaap_EquityComponentDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AdditionalPaidInCapitalMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_AdditionalPaidInCapitalMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AdditionalPaidInCapitalMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_K196K48I138K_us-gaap_NoncontrollingInterestMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_us-gaap_NoncontrollingInterestMember" xml:lang="en-US"> Noncontrolling Interests </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_SubsequentEventMember" xml:lang="en-US"> Subsequent Event [Member] </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_SubsequentEventMember" xml:lang="en-US"> Subsequent Event [Member] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PlanAssetCategoriesDomain" xml:lang="en-US"> Plan Asset Categories [Domain] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_HedgeFundsEquityMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_HedgeFundsEquityMember"/>
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<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_HedgeFundsEquityMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_HedgeFundsEquityMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_K196K48I138K_us-gaap_RangeAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_RangeAxis" xml:lang="en-US"> Range [Axis] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_RangeMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_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_8H6FHF4I49GG985JF602_us-gaap_RangeMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_RangeMember"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_MaximumMember" xml:lang="en-US"> Maximum [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_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_K196K48I138K_us-gaap_MaximumMember" xlink:to="lab_M318M60K350M_us-gaap_MaximumMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_MinimumMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MinimumMember" xml:lang="en-US"> Minimum [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_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_8H6FHF4I49GG985JF602_us-gaap_MinimumMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_MinimumMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentHoldingsLineItems" xlink:label="loc_K196K48I138K_us-gaap_InvestmentHoldingsLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_InvestmentHoldingsLineItems" xml:lang="en-US"> Investment Holdings [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_InvestmentHoldingsLineItems" xlink:to="lab_M318M60K350M_us-gaap_InvestmentHoldingsLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_InvestmentInRafaelPharmaceuticalsIncTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_idt_InvestmentInRafaelPharmaceuticalsIncTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_InvestmentInRafaelPharmaceuticalsIncTextualAbstract" xml:lang="en-US"> Investment In Rafael Pharmaceuticals Inc Textual [Abstract] </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_SpinOffCashAndMarketableSecuritiesToBeDistributed" xlink:label="loc_8H6FHF4I49GG985JF602_idt_SpinOffCashAndMarketableSecuritiesToBeDistributed"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_SpinOffCashAndMarketableSecuritiesToBeDistributed" xml:lang="en-US"> Spin Off Cash And Marketable Securities To Be Distributed </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_SpinOffCashAndMarketableSecuritiesToBeDistributed" xml:lang="en-US"> Spin off cash and marketable securities to be distributed </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Investments" xlink:label="loc_K196K48I138K_us-gaap_Investments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_Investments" xml:lang="en-US"> Investments </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_ContractualRightToReceiveAdditionalSharesDescription" xlink:label="loc_8H6FHF4I49GG985JF602_idt_ContractualRightToReceiveAdditionalSharesDescription"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_ContractualRightToReceiveAdditionalSharesDescription" xml:lang="en-US"> Contractual Right To Receive Additional Shares Description </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_ContractualRightToReceiveAdditionalSharesDescription" xml:lang="en-US"> Contractual right to receive additional shares, description </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_ContractualRightToReceiveAdditionalSharesDescription" xml:lang="en-US"> Description of contractual right to receive additional shares. </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_PurchaseSharesOfCapitalStock" xlink:label="loc_K196K48I138K_idt_PurchaseSharesOfCapitalStock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_PurchaseSharesOfCapitalStock" xml:lang="en-US"> Purchase Shares Of Capital Stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_PurchaseSharesOfCapitalStock" xml:lang="en-US"> Purchase shares of capital stock percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_PurchaseSharesOfCapitalStock" xml:lang="en-US"> Purchase shares of capital stock. </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_ExerciseWarrantsValue" xlink:label="loc_8H6FHF4I49GG985JF602_idt_ExerciseWarrantsValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_ExerciseWarrantsValue" xml:lang="en-US"> Exercise Warrants Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_ExerciseWarrantsValue" xml:lang="en-US"> Exercise warrants value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_ExerciseWarrantsValue" xml:lang="en-US"> Exercise warrants value. </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_InvestmentWarrantsExerciseTermsAndExpiration" xlink:label="loc_K196K48I138K_idt_InvestmentWarrantsExerciseTermsAndExpiration"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_InvestmentWarrantsExerciseTermsAndExpiration" xml:lang="en-US"> Investment Warrants Exercise Terms And Expiration </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_InvestmentWarrantsExerciseTermsAndExpiration" xml:lang="en-US"> Warrant, description </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_InvestmentWarrantsExerciseTermsAndExpiration" xml:lang="en-US"> Investment warrants exercise terms and expiration. </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount" xml:lang="en-US"> Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount" xml:lang="en-US"> Maximum exposure to loss </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_MaximumAmountToBeInvested" xlink:label="loc_K196K48I138K_idt_MaximumAmountToBeInvested"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_MaximumAmountToBeInvested" xml:lang="en-US"> Maximum Amount To Be Invested </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_MaximumAmountToBeInvested" xml:lang="en-US"> Maximum amount of investment </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_MaximumAmountToBeInvested" xml:lang="en-US"> Maximum amount to be invested. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_MaximumAmountToBeInvested" xlink:to="lab_M318M60K350M_idt_MaximumAmountToBeInvested"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_InvestmentWarrantsExpirationDate" xlink:label="loc_8H6FHF4I49GG985JF602_invest_InvestmentWarrantsExpirationDate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_invest_InvestmentWarrantsExpirationDate" xml:lang="en-US"> Investment Warrants Expiration Date </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_invest_InvestmentWarrantsExpirationDate" xml:lang="en-US"> Warrants expiry date </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_invest_InvestmentWarrantsExpirationDate" xlink:to="lab_0J8HJH6K61II107LH824_invest_InvestmentWarrantsExpirationDate"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_K196K48I138K_us-gaap_DebtInstrumentFaceAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentFaceAmount" xml:lang="en-US"> Debt Instrument, Face Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentFaceAmount" xml:lang="en-US"> Debt instrument face value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentFaceAmount" xml:lang="en-US"> Convertible promissory note, principal amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentFaceAmount" xml:lang="en-US"> Convertible promissory note, principal amount </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DebtInstrumentFaceAmount" xlink:to="lab_M318M60K350M_us-gaap_DebtInstrumentFaceAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EquityMethodInvestmentOwnershipPercentage" xml:lang="en-US"> Equity Method Investment, Ownership Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EquityMethodInvestmentOwnershipPercentage" xml:lang="en-US"> Stockholders, ownership percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_EquityMethodInvestmentOwnershipPercentage" xml:lang="en-US"> Holds percentages of interest </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_ContractualRightToReceiveAdditionalSharesPercentage" xlink:label="loc_K196K48I138K_idt_ContractualRightToReceiveAdditionalSharesPercentage"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_ContractualRightToReceiveAdditionalSharesPercentage" xml:lang="en-US"> Contractual Right To Receive Additional Shares Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_ContractualRightToReceiveAdditionalSharesPercentage" xml:lang="en-US"> Percentage of contractual right to receive additional shares </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_ContractualRightToReceiveAdditionalSharesPercentage" xml:lang="en-US"> Percentage of contractual right to receive additional shares. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_ContractualRightToReceiveAdditionalSharesPercentage" xlink:to="lab_M318M60K350M_idt_ContractualRightToReceiveAdditionalSharesPercentage"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xml:lang="en-US"> Debt Instrument, Interest Rate, Effective Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xml:lang="en-US"> Convertible promissory note, rate of interest </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="loc_K196K48I138K_us-gaap_DebtInstrumentMaturityDate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentMaturityDate" xml:lang="en-US"> Debt Instrument, Maturity Date </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentMaturityDate" xml:lang="en-US"> Convertible promissory note, maturity date </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentMaturityDate" xml:lang="en-US"> Debt instrument maturity period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentMaturityDate" xml:lang="en-US"> Convertible promissory note, maturity date </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DebtInstrumentMaturityDate" xlink:to="lab_M318M60K350M_us-gaap_DebtInstrumentMaturityDate"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_InitialAmountOfInvestmentAmountsPaid" xlink:label="loc_8H6FHF4I49GG985JF602_idt_InitialAmountOfInvestmentAmountsPaid"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_InitialAmountOfInvestmentAmountsPaid" xml:lang="en-US"> Initial Amount Of Investment Amounts Paid </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_InitialAmountOfInvestmentAmountsPaid" xml:lang="en-US"> Initial amount of investment amounts paid </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_InitialAmountOfInvestmentAmountsPaid" xml:lang="en-US"> Initial amount of investment amounts paid. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_InitialAmountOfInvestmentAmountsPaid" xlink:to="lab_0J8HJH6K61II107LH824_idt_InitialAmountOfInvestmentAmountsPaid"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentConvertibleTermsOfConversionFeature" xlink:label="loc_K196K48I138K_us-gaap_DebtInstrumentConvertibleTermsOfConversionFeature"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentConvertibleTermsOfConversionFeature" xml:lang="en-US"> Debt Instrument, Convertible, Terms of Conversion Feature </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentConvertibleTermsOfConversionFeature" xml:lang="en-US"> Convertible notes conversion features, description </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DebtInstrumentConvertibleTermsOfConversionFeature" xlink:to="lab_M318M60K350M_us-gaap_DebtInstrumentConvertibleTermsOfConversionFeature"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions" xml:lang="en-US"> Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions" xml:lang="en-US"> Holds percentages of interest </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_EquityMethodInvestmentRemainingPercentage" xlink:label="loc_K196K48I138K_idt_EquityMethodInvestmentRemainingPercentage"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_EquityMethodInvestmentRemainingPercentage" xml:lang="en-US"> Equity Method Investment Remaining Percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_EquityMethodInvestmentRemainingPercentage" xml:lang="en-US"> Equity investment remaining percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_EquityMethodInvestmentRemainingPercentage" xml:lang="en-US"> The remaining percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_EquityMethodInvestmentRemainingPercentage" xlink:to="lab_M318M60K350M_idt_EquityMethodInvestmentRemainingPercentage"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_K196K48I138K_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" 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/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xml:lang="en-US"> Major Types of Debt and Equity Securities [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="lab_M318M60K350M_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" 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/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xml:lang="en-US"> Major Types of Debt and Equity Securities [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CertificatesOfDepositMember" xlink:label="loc_K196K48I138K_us-gaap_CertificatesOfDepositMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_CertificatesOfDepositMember" xlink:to="lab_M318M60K350M_us-gaap_CertificatesOfDepositMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember" xml:lang="en-US"> US Government-sponsored Enterprises Debt Securities [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember" xml:lang="en-US"> Federal Government Sponsored Enterprise notes [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember" xml:lang="en-US"> Federal Government Sponsored Enterprise notes [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_InternationalAgencyNotesMember" xlink:label="loc_K196K48I138K_idt_InternationalAgencyNotesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_InternationalAgencyNotesMember" xml:lang="en-US"> International Agency Notes [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_idt_InternationalAgencyNotesMember" xml:lang="en-US"> International agency notes [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_InternationalAgencyNotesMember" xml:lang="en-US"> International agency notes. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_InternationalAgencyNotesMember" xlink:to="lab_M318M60K350M_idt_InternationalAgencyNotesMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_MutualFundsMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_MutualFundsMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_MutualFundsMember" xml:lang="en-US"> Mutual Funds [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_MutualFundsMember" xml:lang="en-US"> Mutual funds [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_MutualFundsMember" xml:lang="en-US"> Mutual funds. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_MutualFundsMember" xlink:to="lab_0J8HJH6K61II107LH824_idt_MutualFundsMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CorporateBondSecuritiesMember" xlink:label="loc_K196K48I138K_us-gaap_CorporateBondSecuritiesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_CorporateBondSecuritiesMember" xlink:to="lab_M318M60K350M_us-gaap_CorporateBondSecuritiesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_EquitySecuritiesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_EquitySecuritiesMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_EquitySecuritiesMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_USTreasuryNotesSecuritiesMember" xlink:label="loc_K196K48I138K_us-gaap_USTreasuryNotesSecuritiesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_USTreasuryNotesSecuritiesMember" xlink:to="lab_M318M60K350M_us-gaap_USTreasuryNotesSecuritiesMember"/>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xml:lang="en-US"> Gross Unrealized Gains </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="loc_K196K48I138K_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xml:lang="en-US"> Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xml:lang="en-US"> Unrealized Losses </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_AvailableForSaleSecuritiesTotalGrossUnrealizedGains" xml:lang="en-US"> Available For Sale Securities Total Gross Unrealized Gains </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_AvailableForSaleSecuritiesTotalGrossUnrealizedGains" xml:lang="en-US"> Gross Unrealized Gains, Total </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_AvailableForSaleSecuritiesTotalGrossUnrealizedLosses" xml:lang="en-US"> Available For Sale Securities Total Gross Unrealized Losses </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_AvailableForSaleSecuritiesTotalGrossUnrealizedLosses" xml:lang="en-US"> Gross Unrealized Losses, Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_AvailableForSaleSecuritiesTotalGrossUnrealizedLosses" xml:lang="en-US"> Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale debt securities. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_AvailableForSaleSecuritiesTotalGrossUnrealizedLosses" xml:lang="en-US"> Gross Unrealized Losses, Total </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:to="lab_M318M60K350M_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xml:lang="en-US"> After one year through five years </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xlink:label="loc_K196K48I138K_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue" xml:lang="en-US"> Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xml:lang="en-US"> Available For Sale Securities Debt Maturities After Ten Years Fair Value </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecuritiesDebtSecurities" xml:lang="en-US"> Available-for-sale Securities, Debt Securities </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_USTreasurySecuritiesMember" xml:lang="en-US"> U.S. Treasury notes [Member] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xml:lang="en-US"> Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xml:lang="en-US"> Fair Value </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_ZedgeMember" xlink:label="loc_K196K48I138K_idt_ZedgeMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_K196K48I138K_idt_ZedgeMember" xlink:to="lab_M318M60K350M_idt_ZedgeMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_MarketableSecuritiesTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_idt_MarketableSecuritiesTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_MarketableSecuritiesTextualAbstract" xml:lang="en-US"> Marketable Securities Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_MarketableSecuritiesTextualAbstract" xml:lang="en-US"> Marketable Securities (Textual) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_MarketableSecuritiesTextualAbstract" xml:lang="en-US"> Marketable Securities Textual. </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_NumberOfRelatedPartySharesReceivedInConnectionWithRestrictedStock" xlink:label="loc_K196K48I138K_idt_NumberOfRelatedPartySharesReceivedInConnectionWithRestrictedStock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_NumberOfRelatedPartySharesReceivedInConnectionWithRestrictedStock" xml:lang="en-US"> Number Of Related Party Shares Received In Connection With Restricted Stock </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_NumberOfRelatedPartySharesReceivedInConnectionWithRestrictedStock" xml:lang="en-US"> Proceeds from maturities and sales of available-for-sale securities </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_idt_NumberOfRelatedPartySharesReceivedInConnectionWithRestrictedStock" xml:lang="en-US"> Number of Straight Path Class B common stock received </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_NumberOfRelatedPartySharesReceivedInConnectionWithRestrictedStock" xml:lang="en-US"> The number of related party shares received in connection with restricted stock. </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_M318M60K350M_idt_NumberOfRelatedPartySharesReceivedInConnectionWithRestrictedStock" xml:lang="en-US"> Shares </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_NumberOfRelatedPartySharesReceivedInConnectionWithRestrictedStock" xlink:to="lab_M318M60K350M_idt_NumberOfRelatedPartySharesReceivedInConnectionWithRestrictedStock"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentOwnedAtFairValue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_InvestmentOwnedAtFairValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_InvestmentOwnedAtFairValue" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_InvestmentOwnedAtFairValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xlink:label="loc_K196K48I138K_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xlink:to="lab_M318M60K350M_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xml:lang="en-US"> Available-for-sale Securities, Gross Realized Gains </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xml:lang="en-US"> Gross realized gains </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xlink:label="loc_K196K48I138K_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xml:lang="en-US"> Gross realized loss </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xml:lang="en-US"> Gross realized losses </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses" xlink:to="lab_M318M60K350M_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_K196K48I138K_us-gaap_FairValueByMeasurementFrequencyAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="lab_M318M60K350M_us-gaap_FairValueByMeasurementFrequencyAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueMeasurementFrequencyDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementFrequencyDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_K196K48I138K_us-gaap_FairValueMeasurementsRecurringMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_FairValueMeasurementsRecurringMember" xlink:to="lab_M318M60K350M_us-gaap_FairValueMeasurementsRecurringMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_K196K48I138K_us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="lab_M318M60K350M_us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueInputsLevel1Member"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_FairValueInputsLevel1Member" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueInputsLevel1Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_K196K48I138K_us-gaap_FairValueInputsLevel2Member"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_FairValueInputsLevel2Member" xlink:to="lab_M318M60K350M_us-gaap_FairValueInputsLevel2Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueInputsLevel3Member"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_FairValueInputsLevel3Member" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueInputsLevel3Member"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_K196K48I138K_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="lab_M318M60K350M_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AssetsFairValueDisclosureAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosureAbstract" xml:lang="en-US"> Assets, Fair Value Disclosure [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosureAbstract" 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_8H6FHF4I49GG985JF602_us-gaap_AssetsFairValueDisclosureAbstract" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosureAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherInvestments" xlink:label="loc_K196K48I138K_us-gaap_OtherInvestments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OtherInvestments" xml:lang="en-US"> Other Investments </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherInvestments" xml:lang="en-US"> Rafael Pharma Series D Note </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="lab_M318M60K350M_us-gaap_OtherInvestments" xml:lang="en-US"> Rafael convertible promissory notes </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OtherInvestments" xlink:to="lab_M318M60K350M_us-gaap_OtherInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsFairValueDisclosureRecurring" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AssetsFairValueDisclosureRecurring"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosureRecurring" xml:lang="en-US"> Assets, Fair Value Disclosure, Recurring </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosureRecurring" xml:lang="en-US"> Total </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosureRecurring" xml:lang="en-US"> Total </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_AssetsFairValueDisclosureRecurring" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AssetsFairValueDisclosureRecurring"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:label="loc_K196K48I138K_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xml:lang="en-US"> Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xml:lang="en-US"> Fair Value Measurements [Abstract] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:to="lab_M318M60K350M_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xml:lang="en-US"> Balance, end of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xml:lang="en-US"> Balance, end of period </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xml:lang="en-US"> Balance, beginning of period </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:label="loc_K196K48I138K_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xml:lang="en-US"> Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xml:lang="en-US"> Purchases </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:to="lab_M318M60K350M_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_FairValueMeasurementTextualAbstract" xlink:label="loc_K196K48I138K_idt_FairValueMeasurementTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_idt_FairValueMeasurementTextualAbstract" xlink:to="lab_M318M60K350M_idt_FairValueMeasurementTextualAbstract"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_InvestmentInHedgeFunds" xlink:label="loc_8H6FHF4I49GG985JF602_idt_InvestmentInHedgeFunds"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_idt_InvestmentInHedgeFunds" xlink:to="lab_0J8HJH6K61II107LH824_idt_InvestmentInHedgeFunds"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueEstimateNotPracticableCostMethodInvestments" xlink:label="loc_K196K48I138K_us-gaap_FairValueEstimateNotPracticableCostMethodInvestments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_FairValueEstimateNotPracticableCostMethodInvestments" 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_M318M60K350M_us-gaap_FairValueEstimateNotPracticableCostMethodInvestments" xml:lang="en-US"> Carrying value of investments </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_FairValueEstimateNotPracticableCostMethodInvestments" xlink:to="lab_M318M60K350M_us-gaap_FairValueEstimateNotPracticableCostMethodInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xml:lang="en-US"> Increase (Decrease) in Stockholders' Equity [Roll Forward] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendsCash" xlink:label="loc_K196K48I138K_us-gaap_DividendsCash"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_M318M60K350M_us-gaap_DividendsCash" xml:lang="en-US"> Dividends declared ($0.38 per share) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:label="lab_M318M60K350M_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_K196K48I138K_us-gaap_DividendsCash" xlink:to="lab_M318M60K350M_us-gaap_DividendsCash"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_RepurchaseOfRestrictedStock" xlink:label="loc_8H6FHF4I49GG985JF602_idt_RepurchaseOfRestrictedStock"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_idt_RepurchaseOfRestrictedStock" xlink:to="lab_0J8HJH6K61II107LH824_idt_RepurchaseOfRestrictedStock"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_TransferOfRightToReceiveEquityToRelatedParty" xlink:label="loc_K196K48I138K_idt_TransferOfRightToReceiveEquityToRelatedParty"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_K196K48I138K_idt_TransferOfRightToReceiveEquityToRelatedParty" xlink:to="lab_M318M60K350M_idt_TransferOfRightToReceiveEquityToRelatedParty"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_DistributionToNoncontrollingInterests" xlink:label="loc_K196K48I138K_idt_DistributionToNoncontrollingInterests"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_K196K48I138K_idt_DistributionToNoncontrollingInterests" xlink:to="lab_M318M60K350M_idt_DistributionToNoncontrollingInterests"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_StockBasedCompensation" xlink:label="loc_8H6FHF4I49GG985JF602_idt_StockBasedCompensation"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_idt_StockBasedCompensation" xml:lang="en-US"> Stock-based compensation </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_idt_StockBasedCompensation" xml:lang="en-US"> Stock based compensation. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_StockBasedCompensation" xlink:to="lab_0J8HJH6K61II107LH824_idt_StockBasedCompensation"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:label="loc_K196K48I138K_us-gaap_ComprehensiveIncomeNetOfTaxAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xml:lang="en-US"> Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xml:lang="en-US"> Comprehensive income: </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:to="lab_M318M60K350M_us-gaap_ComprehensiveIncomeNetOfTaxAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfStockByClassTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfStockByClassTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ScheduleOfStockByClassTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="loc_K196K48I138K_us-gaap_PlanNameAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_PlanNameAxis" xml:lang="en-US"> Plan Name [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_PlanNameAxis" xlink:to="lab_M318M60K350M_us-gaap_PlanNameAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PlanNameDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_PlanNameDomain" xml:lang="en-US"> Plan Name [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_PlanNameDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PlanNameDomain"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_TwoThousandFifiteenStockOptionAndIncentivePlanMember" xlink:label="loc_K196K48I138K_idt_TwoThousandFifiteenStockOptionAndIncentivePlanMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_TwoThousandFifiteenStockOptionAndIncentivePlanMember" xml:lang="en-US"> Two Thousand Fifiteen Stock Option And Incentive Plan [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_TwoThousandFifiteenStockOptionAndIncentivePlanMember" xml:lang="en-US"> 2015 Stock Option and Incentive Plan [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_TwoThousandFifiteenStockOptionAndIncentivePlanMember" xml:lang="en-US"> 2015 Stock Option and Incentive Plan. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_TwoThousandFifiteenStockOptionAndIncentivePlanMember" xlink:to="lab_M318M60K350M_idt_TwoThousandFifiteenStockOptionAndIncentivePlanMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_EmployeeMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_EmployeeMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_idt_EmployeeMember" xlink:to="lab_0J8HJH6K61II107LH824_idt_EmployeeMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityTypeAxis" xlink:label="loc_K196K48I138K_us-gaap_OptionIndexedToIssuersEquityTypeAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_K196K48I138K_us-gaap_OptionIndexedToIssuersEquityTypeAxis" xlink:to="lab_M318M60K350M_us-gaap_OptionIndexedToIssuersEquityTypeAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OptionIndexedToIssuersEquityTypeDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_OptionIndexedToIssuersEquityTypeDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_OptionIndexedToIssuersEquityTypeDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_K196K48I138K_us-gaap_EmployeeStockOptionMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_us-gaap_EmployeeStockOptionMember" 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_K196K48I138K_us-gaap_EmployeeStockOptionMember" xlink:to="lab_M318M60K350M_us-gaap_EmployeeStockOptionMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_CommonStockMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_CommonStockMember" xml:lang="en-US"> Common Stock [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_CommonStockMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_CommonStockMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_K196K48I138K_us-gaap_ClassOfStockLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_K196K48I138K_us-gaap_ClassOfStockLineItems" xlink:to="lab_M318M60K350M_us-gaap_ClassOfStockLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_EquityTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_idt_EquityTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_idt_EquityTextualAbstract" xlink:to="lab_0J8HJH6K61II107LH824_idt_EquityTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockDividendsPerShareCashPaid" xlink:label="loc_K196K48I138K_us-gaap_CommonStockDividendsPerShareCashPaid"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_CommonStockDividendsPerShareCashPaid" xml:lang="en-US"> Common Stock, Dividends, Per Share, Cash Paid </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_CommonStockDividendsPerShareCashPaid" xml:lang="en-US"> Dividends paid per share in cash </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CommonStockDividendsPerShareCashPaid" xlink:to="lab_M318M60K350M_us-gaap_CommonStockDividendsPerShareCashPaid"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DividendsCommonStockCash"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DividendsCommonStockCash" xml:lang="en-US"> Dividends, Common Stock, Cash </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DividendsCommonStockCash" xml:lang="en-US"> Aggregate dividends paid on common stock including Class A and Class B. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DividendsCommonStockCash" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DividendsCommonStockCash"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:label="loc_K196K48I138K_us-gaap_DividendPayableDateToBePaidDayMonthAndYear"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xml:lang="en-US"> Dividends Payable, Date to be Paid </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xml:lang="en-US"> Paid date of declared dividend </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:to="lab_M318M60K350M_us-gaap_DividendPayableDateToBePaidDayMonthAndYear"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xml:lang="en-US"> Dividends Payable, Date of Record </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xml:lang="en-US"> Record date of declared dividend </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DividendsPayableAmountPerShare" xlink:label="loc_K196K48I138K_us-gaap_DividendsPayableAmountPerShare"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DividendsPayableAmountPerShare" xml:lang="en-US"> Dividends Payable, Amount Per Share </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_DividendsPayableAmountPerShare" xml:lang="en-US"> Common stock dividends declared </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_DividendsPayableAmountPerShare" xlink:to="lab_M318M60K350M_us-gaap_DividendsPayableAmountPerShare"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xml:lang="en-US"> Additional shares available stock option incentive plan for grants </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xml:lang="en-US"> Additional shares available stock option incentive plan for grants </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xml:lang="en-US"> Class B common stock shares purchased options </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:label="loc_K196K48I138K_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xml:lang="en-US"> Class B common stock shares purchased options </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased" xlink:to="lab_M318M60K350M_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased" xml:lang="en-US"> Stock repurchase program, remaining number of shares authorized to be repurchased </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_K196K48I138K_us-gaap_TreasuryStockValueAcquiredCostMethod"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_TreasuryStockValueAcquiredCostMethod" xml:lang="en-US"> Aggregate purchase price of shares repurchased </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:to="lab_M318M60K350M_us-gaap_TreasuryStockValueAcquiredCostMethod"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TreasuryStockSharesAcquired"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_TreasuryStockSharesAcquired" xml:lang="en-US"> Class B common stock shares repurchased </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xml:lang="en-US"> Weighted-average number of shares used in the calculation of basic and diluted earnings per share </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_M318M60K350M_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xml:lang="en-US"> Effect of dilutive securities: </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" xml:lang="en-US"> Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/zeroTerseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants" xml:lang="en-US"> Stock options </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends" xlink:label="loc_K196K48I138K_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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/terseLabel" xlink:label="lab_M318M60K350M_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends" xml:lang="en-US"> Non-vested restricted Class B common stock </label>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_M318M60K350M_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends" xml:lang="en-US"> Non-vested restricted Class B common stock </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StatementScenarioAxis"/>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_K196K48I138K_us-gaap_ScenarioUnspecifiedDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ScenarioUnspecifiedDomain" xml:lang="en-US"> Scenario, Unspecified [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_ScenarioUnspecifiedDomain" xlink:to="lab_M318M60K350M_us-gaap_ScenarioUnspecifiedDomain"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_NonVestedRestrictedClassbCommonStockMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_NonVestedRestrictedClassbCommonStockMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_NonVestedRestrictedClassbCommonStockMember" xml:lang="en-US"> Non Vested Restricted Classb Common Stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_NonVestedRestrictedClassbCommonStockMember" xml:lang="en-US"> Non-vested restricted Class B common stock [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_NonVestedRestrictedClassbCommonStockMember" xml:lang="en-US"> Non vested restricted classb common stock. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_NonVestedRestrictedClassbCommonStockMember" xlink:to="lab_0J8HJH6K61II107LH824_idt_NonVestedRestrictedClassbCommonStockMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xlink:label="loc_K196K48I138K_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xml:lang="en-US"> Stock options excluded from the diluted earnings per share computations </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_M318M60K350M_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xml:lang="en-US"> Stock options 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_K196K48I138K_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xlink:to="lab_M318M60K350M_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xml:lang="en-US"> Shares excluded from the calculation of diluted earnings per share </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_K196K48I138K_us-gaap_DebtInstrumentTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_DebtInstrumentTable" xml:lang="en-US"> Schedule of Long-term Debt Instruments [Table] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LineOfCreditFacilityAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_LineOfCreditFacilityAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LineOfCreditFacilityAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_K196K48I138K_us-gaap_LineOfCreditFacilityLenderDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_LineOfCreditFacilityLenderDomain" xml:lang="en-US"> Line of Credit Facility, Lender [Domain] </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_JulyTwelveTwoThousandTwelveMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_JulyTwelveTwoThousandTwelveMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_JulyTwelveTwoThousandTwelveMember" xml:lang="en-US"> July Twelve Two Thousand Twelve [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_JulyTwelveTwoThousandTwelveMember" xml:lang="en-US"> July 12, 2012 [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_JulyTwelveTwoThousandTwelveMember" xml:lang="en-US"> July Twelve Two Thousand Twelve. </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrimeRateMember" xlink:label="loc_K196K48I138K_us-gaap_PrimeRateMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_PrimeRateMember" xml:lang="en-US"> Prime Rate [Member] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShortTermDebtTypeAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ShortTermDebtTypeAxis"/>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShortTermDebtTypeDomain" xlink:label="loc_K196K48I138K_us-gaap_ShortTermDebtTypeDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_ShortTermDebtTypeDomain" xml:lang="en-US"> Short-term Debt, Type [Domain] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LineOfCreditMember"/>
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<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_LineOfCreditMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LineOfCreditMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_K196K48I138K_us-gaap_DebtInstrumentLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_DebtInstrumentLineItems" xlink:to="lab_M318M60K350M_us-gaap_DebtInstrumentLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_RevolvingCreditLoanPayableTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_idt_RevolvingCreditLoanPayableTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_RevolvingCreditLoanPayableTextualAbstract" xml:lang="en-US"> Revolving Credit Loan Payable Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_RevolvingCreditLoanPayableTextualAbstract" xml:lang="en-US"> Revolving Credit Facility (Textual) </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_RevolvingCreditLoanPayableTextualAbstract" xlink:to="lab_0J8HJH6K61II107LH824_idt_RevolvingCreditLoanPayableTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_K196K48I138K_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="lab_M318M60K350M_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_K196K48I138K_us-gaap_LineOfCreditFacilityExpirationDate1"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_LineOfCreditFacilityExpirationDate1" xml:lang="en-US"> Line of credit maturity date </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LineOfCreditFacilityExpirationDate1" xlink:to="lab_M318M60K350M_us-gaap_LineOfCreditFacilityExpirationDate1"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShortTermBankLoansAndNotesPayable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ShortTermBankLoansAndNotesPayable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShortTermBankLoansAndNotesPayable" xml:lang="en-US"> Short-term Bank Loans and Notes Payable </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShortTermBankLoansAndNotesPayable" xml:lang="en-US"> Line of credit facility, outstanding </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_ShortTermBankLoansAndNotesPayable" xml:lang="en-US"> Revolving credit loan payable </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ShortTermBankLoansAndNotesPayable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ShortTermBankLoansAndNotesPayable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_K196K48I138K_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:to="lab_M318M60K350M_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries" xlink:label="loc_8H6FHF4I49GG985JF602_idt_LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_idt_LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries" xlink:to="lab_0J8HJH6K61II107LH824_idt_LineOfCreditCovenantMaximumAmountOfLoansAndAdvancesToAffiliatesOrSubsidiaries"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_InvestmentsInAndAdvancesToAffiliates" xlink:label="loc_K196K48I138K_idt_InvestmentsInAndAdvancesToAffiliates"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_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_K196K48I138K_idt_InvestmentsInAndAdvancesToAffiliates" xlink:to="lab_M318M60K350M_idt_InvestmentsInAndAdvancesToAffiliates"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_LineOfCreditUtilizedForLettersOfCreditOutstandingAmount" xlink:label="loc_8H6FHF4I49GG985JF602_idt_LineOfCreditUtilizedForLettersOfCreditOutstandingAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_idt_LineOfCreditUtilizedForLettersOfCreditOutstandingAmount" xlink:to="lab_0J8HJH6K61II107LH824_idt_LineOfCreditUtilizedForLettersOfCreditOutstandingAmount"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_BasisPointsSpread" xlink:label="loc_K196K48I138K_idt_BasisPointsSpread"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_BasisPointsSpread" xml:lang="en-US"> Basis Points Spread </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_BasisPointsSpread" xml:lang="en-US"> U.S. Prime rate basis points </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_BasisPointsSpread" xml:lang="en-US"> Basis Points Spread </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_BasisPointsSpread" xlink:to="lab_M318M60K350M_idt_BasisPointsSpread"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_LineOfCreditFacilityInterestRateDescription"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_LineOfCreditFacilityInterestRateDescription" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_LineOfCreditFacilityInterestRateDescription"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_K196K48I138K_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_K196K48I138K_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:to="lab_M318M60K350M_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xml:lang="en-US"> Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xml:lang="en-US"> Unrealized gain (loss) on available-for-sale securities [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="loc_K196K48I138K_us-gaap_AccumulatedTranslationAdjustmentMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_AccumulatedTranslationAdjustmentMember" xlink:to="lab_M318M60K350M_us-gaap_AccumulatedTranslationAdjustmentMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_AccumulatedOtherComprehensiveMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_AccumulatedOtherComprehensiveMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_AccumulatedOtherComprehensiveMember" xml:lang="en-US"> Accumulated Other Comprehensive [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_AccumulatedOtherComprehensiveMember" xml:lang="en-US"> Accumulated Other Comprehensive Loss [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_idt_AccumulatedOtherComprehensiveMember" xlink:to="lab_0J8HJH6K61II107LH824_idt_AccumulatedOtherComprehensiveMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_K196K48I138K_us-gaap_IncomeStatementLocationAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_K196K48I138K_us-gaap_IncomeStatementLocationAxis" xlink:to="lab_M318M60K350M_us-gaap_IncomeStatementLocationAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeStatementLocationDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_IncomeStatementLocationDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncomeStatementLocationDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpenseMember" xlink:label="loc_K196K48I138K_us-gaap_OtherNonoperatingIncomeExpenseMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_OtherNonoperatingIncomeExpenseMember" xml:lang="en-US"> Other income (expense), net [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OtherNonoperatingIncomeExpenseMember" xlink:to="lab_M318M60K350M_us-gaap_OtherNonoperatingIncomeExpenseMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract" xlink:label="loc_K196K48I138K_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract" xml:lang="en-US"> Schedule of accumulated balances for each classification of other comprehensive income (loss) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_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_K196K48I138K_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract" xlink:to="lab_M318M60K350M_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xml:lang="en-US"> Other Comprehensive Income (Loss), before Reclassifications, Net of Tax </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/disclosureGuidance" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" xml:lang="en-US"> Other comprehensive loss attributable to IDT Corporation before reclassifications </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_K196K48I138K_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_RafaelPharmaceuticalsIncSeriesDNoteMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_RafaelPharmaceuticalsIncSeriesDNoteMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_RafaelPharmaceuticalsIncSeriesDNoteMember" xml:lang="en-US"> Rafael Pharmaceuticals Inc Series D Note [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_RafaelPharmaceuticalsIncSeriesDNoteMember" xml:lang="en-US"> Rafael Pharmaceuticals, Inc. Series D Note [Member] </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_AccumulatedOtherComprehensiveLossTextualAbstract" xlink:label="loc_K196K48I138K_idt_AccumulatedOtherComprehensiveLossTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_AccumulatedOtherComprehensiveLossTextualAbstract" xml:lang="en-US"> Accumulated Other Comprehensive Loss Textual [Abstract] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xml:lang="en-US"> Schedule of Segment Reporting Information, by Segment [Table] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_K196K48I138K_us-gaap_ConsolidationItemsAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_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_M318M60K350M_us-gaap_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_K196K48I138K_us-gaap_ConsolidationItemsAxis" xlink:to="lab_M318M60K350M_us-gaap_ConsolidationItemsAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ConsolidationItemsDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_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_0J8HJH6K61II107LH824_us-gaap_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_8H6FHF4I49GG985JF602_us-gaap_ConsolidationItemsDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ConsolidationItemsDomain"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_K196K48I138K_us-gaap_OperatingSegmentsMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_OperatingSegmentsMember" xlink:to="lab_M318M60K350M_us-gaap_OperatingSegmentsMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_StatementBusinessSegmentsAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_StatementBusinessSegmentsAxis" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_StatementBusinessSegmentsAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_K196K48I138K_us-gaap_SegmentDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_SegmentDomain" xlink:to="lab_M318M60K350M_us-gaap_SegmentDomain"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_TelecomPlatformServicesMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_TelecomPlatformServicesMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_TelecomPlatformServicesMember" xml:lang="en-US"> Telecom Platform Services [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_TelecomPlatformServicesMember" xml:lang="en-US"> Telecom Platform Services [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_TelecomPlatformServicesMember" xml:lang="en-US"> IDT Telecom [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_TelecomPlatformServicesMember" xml:lang="en-US"> Telecom Platform Services [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/definitionGuidance" xlink:label="lab_0J8HJH6K61II107LH824_idt_TelecomPlatformServicesMember" xml:lang="en-US"> IDT Telecom sales and administrative functions [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_TelecomPlatformServicesMember" xlink:to="lab_0J8HJH6K61II107LH824_idt_TelecomPlatformServicesMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember" xlink:label="loc_K196K48I138K_idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember" xml:lang="en-US"> net2phone-UCaaS [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember" 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_K196K48I138K_idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember" xlink:to="lab_M318M60K350M_idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_AllOtherMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_AllOtherMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_idt_AllOtherMember" xlink:to="lab_0J8HJH6K61II107LH824_idt_AllOtherMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CorporateMember" xlink:label="loc_K196K48I138K_us-gaap_CorporateMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_us-gaap_CorporateMember" xml:lang="en-US"> Corporate-loss related to settlement (b) [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_CorporateMember" xlink:to="lab_M318M60K350M_us-gaap_CorporateMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_SegmentReportingInformationLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_SegmentReportingInformationLineItems" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_SegmentReportingInformationLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_BusinessSegmentInformationTextualAbstract" xlink:label="loc_K196K48I138K_idt_BusinessSegmentInformationTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_idt_BusinessSegmentInformationTextualAbstract" xlink:to="lab_M318M60K350M_idt_BusinessSegmentInformationTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_NumberOfReportableSegments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_NumberOfReportableSegments" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_NumberOfReportableSegments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="loc_K196K48I138K_us-gaap_LossContingenciesTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LossContingenciesTable" xml:lang="en-US"> Loss Contingencies [Table] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LossContingenciesTable" xlink:to="lab_M318M60K350M_us-gaap_LossContingenciesTable"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_IdtFinancialServicesLtdMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_IdtFinancialServicesLtdMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_IdtFinancialServicesLtdMember" xml:lang="en-US"> Idt Financial Services Ltd [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_IdtFinancialServicesLtdMember" xml:lang="en-US"> IDT Financial Services Ltd. [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_IdtFinancialServicesLtdMember" xlink:to="lab_0J8HJH6K61II107LH824_idt_IdtFinancialServicesLtdMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_IdtPaymentServicesAndIdtFinancialServicesLtdMember" xlink:label="loc_K196K48I138K_idt_IdtPaymentServicesAndIdtFinancialServicesLtdMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_IdtPaymentServicesAndIdtFinancialServicesLtdMember" xml:lang="en-US"> Idt Payment Services And Idt Financial Services Ltd [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_idt_IdtPaymentServicesAndIdtFinancialServicesLtdMember" xml:lang="en-US"> IDT Payment Services and IDT Financial Services Ltd. [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_IdtPaymentServicesAndIdtFinancialServicesLtdMember" xml:lang="en-US"> Idt payment services and idt financial services ltd. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_IdtPaymentServicesAndIdtFinancialServicesLtdMember" xlink:to="lab_M318M60K350M_idt_IdtPaymentServicesAndIdtFinancialServicesLtdMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_StraightPathClassActionMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_StraightPathClassActionMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_StraightPathClassActionMember" xml:lang="en-US"> Straight Path Class Action [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_StraightPathClassActionMember" xml:lang="en-US"> Straight Path Class Action [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_StraightPathClassActionMember" xlink:to="lab_0J8HJH6K61II107LH824_idt_StraightPathClassActionMember"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="loc_K196K48I138K_us-gaap_LossContingenciesLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_LossContingenciesLineItems" xml:lang="en-US"> Loss Contingencies [Line Items] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_LossContingenciesLineItems" xlink:to="lab_M318M60K350M_us-gaap_LossContingenciesLineItems"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_CommitmentsAndContingenciesTextualAbstract" xlink:label="loc_8H6FHF4I49GG985JF602_idt_CommitmentsAndContingenciesTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_CommitmentsAndContingenciesTextualAbstract" xml:lang="en-US"> Commitments And Contingencies Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_CommitmentsAndContingenciesTextualAbstract" xml:lang="en-US"> Commitments and Contingencies (Textual) </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_CommitmentsAndContingenciesTextualAbstract" 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_8H6FHF4I49GG985JF602_idt_CommitmentsAndContingenciesTextualAbstract" xlink:to="lab_0J8HJH6K61II107LH824_idt_CommitmentsAndContingenciesTextualAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_K196K48I138K_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent" xlink:to="lab_M318M60K350M_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PurchaseObligation" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_PurchaseObligation"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_PurchaseObligation" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_PurchaseObligation"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_PerformanceBondsOutstanding" xlink:label="loc_K196K48I138K_idt_PerformanceBondsOutstanding"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_M318M60K350M_idt_PerformanceBondsOutstanding" xml:lang="en-US"> In certain circumstances, the company is required to provide performance bonds in connection with its contractual commitments. Company has indemnified the surety for any expenses paid out under these performance bonds. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_PerformanceBondsOutstanding" xlink:to="lab_M318M60K350M_idt_PerformanceBondsOutstanding"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_ConnectivityLeaseRentalExpense" xlink:label="loc_8H6FHF4I49GG985JF602_idt_ConnectivityLeaseRentalExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_ConnectivityLeaseRentalExpense" xml:lang="en-US"> Connectivity lease rental expense </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_ConnectivityLeaseRentalExpense" xml:lang="en-US"> The amount of expenses on connectivity charges on operating leases. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_ConnectivityLeaseRentalExpense" xlink:to="lab_0J8HJH6K61II107LH824_idt_ConnectivityLeaseRentalExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesRentExpenseNet" xlink:label="loc_K196K48I138K_us-gaap_OperatingLeasesRentExpenseNet"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_OperatingLeasesRentExpenseNet" xml:lang="en-US"> Operating Leases, Rent Expense, Net </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_OperatingLeasesRentExpenseNet" xml:lang="en-US"> Rental expense under operating leases </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_OperatingLeasesRentExpenseNet" xlink:to="lab_M318M60K350M_us-gaap_OperatingLeasesRentExpenseNet"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EscrowDeposit" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_EscrowDeposit"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_EscrowDeposit" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_EscrowDeposit"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_CashAndCashEquivalentsSubstantiallyRestricted" xlink:label="loc_K196K48I138K_idt_CashAndCashEquivalentsSubstantiallyRestricted"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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/verboseLabel" xlink:label="lab_M318M60K350M_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_M318M60K350M_idt_CashAndCashEquivalentsSubstantiallyRestricted" xml:lang="en-US"> Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_CashAndCashEquivalentsSubstantiallyRestricted" xlink:to="lab_M318M60K350M_idt_CashAndCashEquivalentsSubstantiallyRestricted"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_LossContingencyPaymentForSettlementAndRelease" xlink:label="loc_8H6FHF4I49GG985JF602_idt_LossContingencyPaymentForSettlementAndRelease"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_LossContingencyPaymentForSettlementAndRelease" xml:lang="en-US"> Loss Contingency Payment For Settlement And Release </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_LossContingencyPaymentForSettlementAndRelease" xml:lang="en-US"> Payment for settlement of claims and mutual release </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_LossContingencyPaymentForSettlementAndRelease" xml:lang="en-US"> Loss contingency payment for settlement and release. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_LossContingencyPaymentForSettlementAndRelease" xlink:to="lab_0J8HJH6K61II107LH824_idt_LossContingencyPaymentForSettlementAndRelease"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_PercentageOfLicenseNetProceedsToBePaidToRelatedPartyStockholders" xlink:label="loc_K196K48I138K_idt_PercentageOfLicenseNetProceedsToBePaidToRelatedPartyStockholders"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_PercentageOfLicenseNetProceedsToBePaidToRelatedPartyStockholders" xml:lang="en-US"> Percentage Of License Net Proceeds To Be Paid To Related Party Stockholders </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_PercentageOfLicenseNetProceedsToBePaidToRelatedPartyStockholders" xml:lang="en-US"> Stockholders, ownership percentage </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_M318M60K350M_idt_PercentageOfLicenseNetProceedsToBePaidToRelatedPartyStockholders" xml:lang="en-US"> Percentage of license net proceeds to be paid to related party stockholders. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_PercentageOfLicenseNetProceedsToBePaidToRelatedPartyStockholders" xlink:to="lab_M318M60K350M_idt_PercentageOfLicenseNetProceedsToBePaidToRelatedPartyStockholders"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_LossContingencyPaymentAggregatePaidToRelatedParty" xlink:label="loc_8H6FHF4I49GG985JF602_idt_LossContingencyPaymentAggregatePaidToRelatedParty"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_LossContingencyPaymentAggregatePaidToRelatedParty" xml:lang="en-US"> Loss Contingency Payment Aggregate Paid To Related Party </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_idt_LossContingencyPaymentAggregatePaidToRelatedParty" xml:lang="en-US"> Company paid Straight Path an aggregate of cash </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="lab_0J8HJH6K61II107LH824_idt_LossContingencyPaymentAggregatePaidToRelatedParty" xml:lang="en-US"> Loss contingency payment aggregate paid to related party. </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_idt_LossContingencyPaymentAggregatePaidToRelatedParty" xlink:to="lab_0J8HJH6K61II107LH824_idt_LossContingencyPaymentAggregatePaidToRelatedParty"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_ScheduleOfOtherExpenseIncomeNetAbstract" xlink:label="loc_K196K48I138K_idt_ScheduleOfOtherExpenseIncomeNetAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_ScheduleOfOtherExpenseIncomeNetAbstract" xml:lang="en-US"> Schedule Of Other Expense Income Net [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_ScheduleOfOtherExpenseIncomeNetAbstract" 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_K196K48I138K_idt_ScheduleOfOtherExpenseIncomeNetAbstract" xlink:to="lab_M318M60K350M_idt_ScheduleOfOtherExpenseIncomeNetAbstract"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossRealized" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_ForeignCurrencyTransactionGainLossRealized"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_us-gaap_ForeignCurrencyTransactionGainLossRealized" xml:lang="en-US"> Foreign currency transaction (losses) gains </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_ForeignCurrencyTransactionGainLossRealized" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_ForeignCurrencyTransactionGainLossRealized"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MarketableSecuritiesGainLoss" xlink:label="loc_K196K48I138K_us-gaap_MarketableSecuritiesGainLoss"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_MarketableSecuritiesGainLoss" xml:lang="en-US"> Gain on sale of marketable securities </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_MarketableSecuritiesGainLoss" xlink:to="lab_M318M60K350M_us-gaap_MarketableSecuritiesGainLoss"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_GainLossOnInvestments"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_GainLossOnInvestments" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_GainLossOnInvestments"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_K196K48I138K_us-gaap_OtherNonoperatingIncomeExpense"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_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_K196K48I138K_us-gaap_OtherNonoperatingIncomeExpense" xlink:to="lab_M318M60K350M_us-gaap_OtherNonoperatingIncomeExpense"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxContingencyTable" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxContingencyTable"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_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_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxContingencyTable" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxContingencyTable"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="loc_K196K48I138K_us-gaap_IncomeTaxAuthorityAxis"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_IncomeTaxAuthorityAxis" xml:lang="en-US"> Income Tax Authority [Axis] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_IncomeTaxAuthorityAxis" xlink:to="lab_M318M60K350M_us-gaap_IncomeTaxAuthorityAxis"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxAuthorityDomain"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxAuthorityDomain" xml:lang="en-US"> Income Tax Authority [Domain] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxAuthorityDomain" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxAuthorityDomain"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_ElmionNetherlandsBVMember" xlink:label="loc_K196K48I138K_idt_ElmionNetherlandsBVMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_ElmionNetherlandsBVMember" xml:lang="en-US"> Elmion Netherlands B V [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_ElmionNetherlandsBVMember" xml:lang="en-US"> Elmion Netherlands B.V. [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_idt_ElmionNetherlandsBVMember" xml:lang="en-US"> Elmion Netherlands B.V. [Member] </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_idt_ElmionNetherlandsBVMember" xlink:to="lab_M318M60K350M_idt_ElmionNetherlandsBVMember"/>
<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_AlternativeMinimumTaxMember" xlink:label="loc_8H6FHF4I49GG985JF602_idt_AlternativeMinimumTaxMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_idt_AlternativeMinimumTaxMember" xml:lang="en-US"> Alternative Minimum Tax [Member] </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_TaxCutsAndJobsActMember" xlink:label="loc_K196K48I138K_idt_TaxCutsAndJobsActMember"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_TaxCutsAndJobsActMember" xml:lang="en-US"> Tax Cuts And Jobs Act [Member] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_TaxCutsAndJobsActMember" xml:lang="en-US"> Tax Cuts and Jobs Act [Member] </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxContingencyLineItems" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxContingencyLineItems"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxContingencyLineItems" xml:lang="en-US"> Income Tax Contingency [Line Items] </label>
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<loc xlink:type="locator" xlink:href="idt-20180131.xsd#idt_IncomeTaxAndNewJerseyCorporationBusinessTaxesTextualAbstract" xlink:label="loc_K196K48I138K_idt_IncomeTaxAndNewJerseyCorporationBusinessTaxesTextualAbstract"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_idt_IncomeTaxAndNewJerseyCorporationBusinessTaxesTextualAbstract" xml:lang="en-US"> Income Tax And New Jersey Corporation Business Taxes Textual [Abstract] </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_M318M60K350M_idt_IncomeTaxAndNewJerseyCorporationBusinessTaxesTextualAbstract" xml:lang="en-US"> Income Tax and New Jersey Corporation Business Tax (Textual) </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxesReceivableNoncurrent" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_IncomeTaxesReceivableNoncurrent"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxesReceivableNoncurrent" xml:lang="en-US"> Income Taxes Receivable, Noncurrent </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_IncomeTaxesReceivableNoncurrent" xml:lang="en-US"> Noncurrent receivable </label>
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<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TaxCreditCarryforwardAmount" xlink:label="loc_K196K48I138K_us-gaap_TaxCreditCarryforwardAmount"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_us-gaap_TaxCreditCarryforwardAmount" xml:lang="en-US"> Tax Credit Carryforward, Amount </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_M318M60K350M_us-gaap_TaxCreditCarryforwardAmount" xml:lang="en-US"> Tax credits to be received </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_TaxCreditCarryforwardAmount" xlink:to="lab_M318M60K350M_us-gaap_TaxCreditCarryforwardAmount"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TaxCreditCarryforwardDescription" xlink:label="loc_8H6FHF4I49GG985JF602_us-gaap_TaxCreditCarryforwardDescription"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TaxCreditCarryforwardDescription" xml:lang="en-US"> Tax Credit Carryforward, Description </label>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_0J8HJH6K61II107LH824_us-gaap_TaxCreditCarryforwardDescription" xml:lang="en-US"> Tax credit, description </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_8H6FHF4I49GG985JF602_us-gaap_TaxCreditCarryforwardDescription" xlink:to="lab_0J8HJH6K61II107LH824_us-gaap_TaxCreditCarryforwardDescription"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_K196K48I138K_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
<label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_M318M60K350M_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_M318M60K350M_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xml:lang="en-US"> U.S. federal statutory corporate tax rate </label>
<labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_K196K48I138K_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="lab_M318M60K350M_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
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