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

Idt Corp – ‘10-Q’ for 4/30/18 – ‘EX-101.PRE’

On:  Monday, 6/11/18, at 4:35pm ET   ·   For:  4/30/18   ·   Accession #:  1213900-18-7510   ·   File #:  1-16371

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

Find Words in Filings emoji
 
  in    Show  and   Hints

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

 6/11/18  Idt Corp                          10-Q        4/30/18   72:4.3M                                   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    409K 
 2: EX-31.1     Certification -- §302 - SOA'02                      HTML     23K 
 3: EX-31.2     Certification -- §302 - SOA'02                      HTML     23K 
 4: EX-32.1     Certification -- §906 - SOA'02                      HTML     20K 
 5: EX-32.2     Certification -- §906 - SOA'02                      HTML     20K 
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     84K 
16: R5          Consolidated Statements of Comprehensive (Loss)     HTML     45K 
                Income (Unaudited)                                               
17: R6          Consolidated Statements of Cash Flows (Unaudited)   HTML    123K 
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     46K 
                Liabilities Held for Sale                                        
21: R10         Rafael Holdings, Inc. Spin-Off                      HTML     39K 
22: R11         Marketable Securities                               HTML     61K 
23: R12         Fair Value Measurements                             HTML     55K 
24: R13         Equity                                              HTML     54K 
25: R14         Earnings (Loss) Per Share                           HTML     40K 
26: R15         Severance Expense                                   HTML     24K 
27: R16         Revolving Credit Facility                           HTML     24K 
28: R17         Accumulated Other Comprehensive Loss                HTML     31K 
29: R18         Business Segment Information                        HTML     46K 
30: R19         Commitments and Contingencies                       HTML     61K 
31: R20         Other (Expense) Income, Net                         HTML     30K 
32: R21         Income Tax and New Jersey Corporation Business Tax  HTML     38K 
33: R22         Recently Issued Accounting Standard Not Yet         HTML     39K 
                Adopted                                                          
34: R23         IDT Financial Services Holding Limited Assets and   HTML     42K 
                Liabilities Held for Sale (Tables)                               
35: R24         Rafael Holdings, Inc. Spin-Off (Tables)             HTML     31K 
36: R25         Marketable Securities (Tables)                      HTML     62K 
37: R26         Fair Value Measurements (Tables)                    HTML     44K 
38: R27         Equity (Tables)                                     HTML     32K 
39: R28         Earnings (Loss) Per Share (Tables)                  HTML     39K 
40: R29         Accumulated Other Comprehensive Loss (Tables)       HTML     29K 
41: R30         Business Segment Information (Tables)               HTML     39K 
42: R31         Other (Expense) Income, Net (Tables)                HTML     28K 
43: R32         IDT Financial Services Holding Limited Assets and   HTML     91K 
                Liabilities Held for Sale (Details)                              
44: R33         IDT Financial Services Holding Limited Assets and   HTML     29K 
                Liabilities Held for Sale (Details 1)                            
45: R34         IDT Financial Services Holding Limited Assets and   HTML     29K 
                Liabilities Held for Sale (Details Textual)                      
46: R35         Rafael Holdings, Inc. Spin-Off (Details)            HTML     54K 
47: R36         Rafael Holdings, Inc. Spin-Off (Details 1)          HTML     29K 
48: R37         Rafael Holdings, Inc. Spin-Off (Details Textual)    HTML     32K 
49: R38         Marketable Securities (Details)                     HTML     64K 
50: R39         Marketable Securities (Details 1)                   HTML     35K 
51: R40         Marketable Securities (Details 2)                   HTML     39K 
52: R41         Marketable Securities (Details 3)                   HTML     26K 
53: R42         Marketable Securities (Details Textual)             HTML     36K 
54: R43         Fair Value Measurements (Details)                   HTML     38K 
55: R44         Fair Value Measurements (Details 1)                 HTML     30K 
56: R45         Fair Value Measurements (Details Textual)           HTML     23K 
57: R46         Equity (Details)                                    HTML     62K 
58: R47         Equity (Details Textual)                            HTML     98K 
59: R48         Earnings (Loss) Per Share (Details)                 HTML     33K 
60: R49         Earnings (Loss) Per Share (Details 1)               HTML     27K 
61: R50         Severance Expense (Details)                         HTML     30K 
62: R51         Revolving Credit Facility (Details)                 HTML     37K 
63: R52         Accumulated Other Comprehensive Loss (Details)      HTML     48K 
64: R53         Accumulated Other Comprehensive Loss (Details       HTML     29K 
                Textual)                                                         
65: R54         Business Segment Information (Details)              HTML     45K 
66: R55         Business Segment Information (Details Textual)      HTML     21K 
67: R56         Commitments and Contingencies (Details)             HTML     50K 
68: R57         Other (Expense) Income, Net (Details)               HTML     35K 
69: R58         Income Tax and New Jersey Corporation Business Tax  HTML     47K 
                (Details)                                                        
71: XML         IDEA XML File -- Filing Summary                      XML    128K 
70: EXCEL       IDEA Workbook of Financial Reports                  XLSX     72K 
 6: EX-101.INS  XBRL Instance -- idt-20180430                        XML   1.11M 
 8: EX-101.CAL  XBRL Calculations -- idt-20180430_cal                XML    145K 
 9: EX-101.DEF  XBRL Definitions -- idt-20180430_def                 XML    536K 
10: EX-101.LAB  XBRL Labels -- idt-20180430_lab                      XML   1.10M 
11: EX-101.PRE  XBRL Presentations -- idt-20180430_pre               XML    757K 
 7: EX-101.SCH  XBRL Schema -- idt-20180430                          XSD    152K 
72: ZIP         XBRL Zipped Folder -- 0001213900-18-007510-xbrl      Zip    121K 


‘EX-101.PRE’   —   XBRL Presentations — idt-20180430_pre


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="idt-20180430.xsd#DocumentandEntityInformation" roleURI="http://www.idt.net/role/DocumentandEntityInformation"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#ConsolidatedBalanceSheets" roleURI="http://www.idt.net/role/ConsolidatedBalanceSheets"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#ConsolidatedBalanceSheetsParenthetical" roleURI="http://www.idt.net/role/ConsolidatedBalanceSheetsParenthetical"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#ConsolidatedStatementsOfOperationsUnaudited" roleURI="http://www.idt.net/role/ConsolidatedStatementsOfOperationsUnaudited"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#ConsolidatedStatementsOfComprehensiveLossIncomeUnaudited" roleURI="http://www.idt.net/role/ConsolidatedStatementsOfComprehensiveLossIncomeUnaudited"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#ConsolidatedStatementsOfCashFlowsUnaudited" roleURI="http://www.idt.net/role/ConsolidatedStatementsOfCashFlowsUnaudited"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#ConsolidatedStatementsOfCashFlowsParentheticalUnaudited" roleURI="http://www.idt.net/role/ConsolidatedStatementsOfCashFlowsParentheticalUnaudited"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#BasisOfPresentation" roleURI="http://www.idt.net/role/BasisOfPresentation"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSale" roleURI="http://www.idt.net/role/IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSale"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#RafaelHoldingsIncSpinOff" roleURI="http://www.idt.net/role/RafaelHoldingsIncSpinOff"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#MarketableSecurities" roleURI="http://www.idt.net/role/MarketableSecurities"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#FairValueMeasurements" roleURI="http://www.idt.net/role/FairValueMeasurements"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#Equity" roleURI="http://www.idt.net/role/Equity"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#EarningsLossPerShare" roleURI="http://www.idt.net/role/EarningsLossPerShare"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#SeveranceExpense" roleURI="http://www.idt.net/role/SeveranceExpense"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#RevolvingCreditFacility" roleURI="http://www.idt.net/role/RevolvingCreditFacility"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#AccumulatedOtherComprehensiveLoss" roleURI="http://www.idt.net/role/AccumulatedOtherComprehensiveLoss"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#BusinessSegmentInformation" roleURI="http://www.idt.net/role/BusinessSegmentInformation"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#CommitmentsAndContingencies" roleURI="http://www.idt.net/role/CommitmentsAndContingencies"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#OtherExpenseIncomeNet" roleURI="http://www.idt.net/role/OtherExpenseIncomeNet"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#IncomeTaxAndNewJerseyCorporationBusinessTax" roleURI="http://www.idt.net/role/IncomeTaxAndNewJerseyCorporationBusinessTax"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#RecentlyIssuedAccountingStandardNotYetAdopted" roleURI="http://www.idt.net/role/RecentlyIssuedAccountingStandardNotYetAdopted"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaletables" roleURI="http://www.idt.net/role/IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaletables"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#RafaelHoldingsIncSpinOffTables" roleURI="http://www.idt.net/role/RafaelHoldingsIncSpinOffTables"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#MarketableSecuritiesTables" roleURI="http://www.idt.net/role/MarketableSecuritiesTables"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#FairValueMeasurementsTables" roleURI="http://www.idt.net/role/FairValueMeasurementsTables"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#EquityTables" roleURI="http://www.idt.net/role/EquityTables"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#EarningsLossPerShareTables" roleURI="http://www.idt.net/role/EarningsLossPerShareTables"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#AccumulatedOtherComprehensiveLossTables" roleURI="http://www.idt.net/role/AccumulatedOtherComprehensiveLossTables"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#BusinessSegmentInformationTables" roleURI="http://www.idt.net/role/BusinessSegmentInformationTables"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#OtherExpenseIncomeNetTables" roleURI="http://www.idt.net/role/OtherExpenseIncomeNetTables"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#Idtfinancialservicesholdinglimitedassetsandliabilitiesheldforsaledetails" roleURI="http://www.idt.net/role/Idtfinancialservicesholdinglimitedassetsandliabilitiesheldforsaledetails"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#Idtfinancialservicesholdinglimitedassetsandliabilitiesheldforsaledetails1" roleURI="http://www.idt.net/role/Idtfinancialservicesholdinglimitedassetsandliabilitiesheldforsaledetails1"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#Idtfinancialservicesholdinglimitedassetsandliabilitiesheldforsaledetailstextual" roleURI="http://www.idt.net/role/Idtfinancialservicesholdinglimitedassetsandliabilitiesheldforsaledetailstextual"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#Rafaelholdingsincspinoffdetails" roleURI="http://www.idt.net/role/Rafaelholdingsincspinoffdetails"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#Rafaelholdingsincspinoffdetails1" roleURI="http://www.idt.net/role/Rafaelholdingsincspinoffdetails1"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#RafaelHoldingsIncSpinOffDetailsTextual" roleURI="http://www.idt.net/role/RafaelHoldingsIncSpinOffDetailsTextual"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#MarketableSecuritiesDetails" roleURI="http://www.idt.net/role/MarketableSecuritiesDetails"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#MarketableSecuritiesDetails1" roleURI="http://www.idt.net/role/MarketableSecuritiesDetails1"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#MarketableSecuritiesDetails2" roleURI="http://www.idt.net/role/MarketableSecuritiesDetails2"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#MarketableSecuritiesDetails3" roleURI="http://www.idt.net/role/MarketableSecuritiesDetails3"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#MarketableSecuritiesDetailsTextual" roleURI="http://www.idt.net/role/MarketableSecuritiesDetailsTextual"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#FairValueMeasurementsDetails" roleURI="http://www.idt.net/role/FairValueMeasurementsDetails"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#Fairvaluemeasurementsdetails1" roleURI="http://www.idt.net/role/Fairvaluemeasurementsdetails1"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#FairValueMeasurementsDetailsTextual" roleURI="http://www.idt.net/role/FairValueMeasurementsDetailsTextual"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#EquityDetails" roleURI="http://www.idt.net/role/EquityDetails"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#EquityDetailsTextual" roleURI="http://www.idt.net/role/EquityDetailsTextual"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#EarningsLossPerShareDetails" roleURI="http://www.idt.net/role/EarningsLossPerShareDetails"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#EarningsLossPerShareDetails1" roleURI="http://www.idt.net/role/EarningsLossPerShareDetails1"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#SeveranceExpenseDetails" roleURI="http://www.idt.net/role/SeveranceExpenseDetails"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#RevolvingCreditFacilityDetails" roleURI="http://www.idt.net/role/RevolvingCreditFacilityDetails"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#AccumulatedOtherComprehensiveLossDetails" roleURI="http://www.idt.net/role/AccumulatedOtherComprehensiveLossDetails"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#AccumulatedOtherComprehensiveLossDetailsTextual" roleURI="http://www.idt.net/role/AccumulatedOtherComprehensiveLossDetailsTextual"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#BusinessSegmentInformationDetails" roleURI="http://www.idt.net/role/BusinessSegmentInformationDetails"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#BusinessSegmentInformationDetailsTextual" roleURI="http://www.idt.net/role/BusinessSegmentInformationDetailsTextual"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#CommitmentsAndContingenciesDetails" roleURI="http://www.idt.net/role/CommitmentsAndContingenciesDetails"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#OtherExpenseIncomeNetDetails" roleURI="http://www.idt.net/role/OtherExpenseIncomeNetDetails"/>
<roleRef xlink:type="simple" xlink:href="idt-20180430.xsd#IncomeTaxAndNewJerseyCorporationBusinessTaxDetails" roleURI="http://www.idt.net/role/IncomeTaxAndNewJerseyCorporationBusinessTaxDetails"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" roleURI="http://www.xbrl.org/2009/role/negatedNetLabel"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel"/>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/DocumentandEntityInformation">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_DocumentAndEntityInformationAbstract" xlink:label="loc_idt_DocumentAndEntityInformationAbstract_0"/>
<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_us-gaap_StatementTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_DocumentAndEntityInformationAbstract_0" xlink:to="loc_us-gaap_StatementTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StatementClassOfStockAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementClassOfStockAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_ClassOfStockDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_2" xlink:to="loc_us-gaap_ClassOfStockDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_CommonClassAMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_3" xlink:to="loc_us-gaap_CommonClassAMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_CommonClassBMember_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_3" xlink:to="loc_us-gaap_CommonClassBMember_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_StatementLineItems_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementLineItems_6" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_dei_EntityRegistrantName_7" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_dei_EntityCentralIndexKey_8" order="10" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_dei_AmendmentFlag_9" order="20" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_TradingSymbol" xlink:label="loc_dei_TradingSymbol_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_dei_TradingSymbol_10" order="30" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_dei_CurrentFiscalYearEndDate_11" order="40" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_dei_DocumentType_12" order="50" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_dei_DocumentPeriodEndDate_13" order="60" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_dei_DocumentFiscalYearFocus_14" order="70" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_dei_DocumentFiscalPeriodFocus_15" order="80" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_dei_EntityFilerCategory_16" order="90" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_17"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_17" order="100" use="optional"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/ConsolidatedBalanceSheets">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_0"/>
<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_us-gaap_StatementTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0" xlink:to="loc_us-gaap_StatementTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StatementClassOfStockAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementClassOfStockAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_ClassOfStockDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_2" xlink:to="loc_us-gaap_ClassOfStockDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_CommonClassAMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_3" xlink:to="loc_us-gaap_CommonClassAMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_CommonClassBMember_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_3" xlink:to="loc_us-gaap_CommonClassBMember_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_StatementLineItems_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementLineItems_6" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_us-gaap_AssetsAbstract_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_7" xlink:to="loc_us-gaap_AssetsCurrentAbstract_8" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_CashAndCashEquivalentsAtCarryingValue_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_9" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_MarketableSecuritiesCurrent_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8" xlink:to="loc_us-gaap_MarketableSecuritiesCurrent_10" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/positiveLabel"/>
<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_us-gaap_ReceivablesNetCurrent_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8" xlink:to="loc_us-gaap_ReceivablesNetCurrent_11" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_PrepaidExpenseCurrent_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_12" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_OtherAssetsCurrent_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8" xlink:to="loc_us-gaap_OtherAssetsCurrent_13" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_14" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AssetsCurrent_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8" xlink:to="loc_us-gaap_AssetsCurrent_15" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_PropertyPlantAndEquipmentNet_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_7" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_16" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_Goodwill_17"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_7" xlink:to="loc_us-gaap_Goodwill_17" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_LongTermInvestments_18"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_7" xlink:to="loc_us-gaap_LongTermInvestments_18" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DeferredTaxAssetsNetNoncurrent_19"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_7" xlink:to="loc_us-gaap_DeferredTaxAssetsNetNoncurrent_19" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_20"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_7" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_20" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_21"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_7" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_21" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_Assets_22"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_7" xlink:to="loc_us-gaap_Assets_22" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_LiabilitiesAndStockholdersEquityAbstract_23"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_23" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_LiabilitiesCurrentAbstract_24"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_23" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_24" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AccountsPayableCurrent_25"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_24" xlink:to="loc_us-gaap_AccountsPayableCurrent_25" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AccruedLiabilitiesCurrent_26"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_24" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_26" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DeferredRevenueCurrent_27"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_24" xlink:to="loc_us-gaap_DeferredRevenueCurrent_27" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_OtherLiabilitiesCurrent_28"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_24" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_28" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_29"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_24" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_29" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_LiabilitiesCurrent_30"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_24" xlink:to="loc_us-gaap_LiabilitiesCurrent_30" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_OtherLiabilitiesNoncurrent_31"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_23" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_31" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_32"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_23" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_32" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_Liabilities_33"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_23" xlink:to="loc_us-gaap_Liabilities_33" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_CommitmentsAndContingencies_34"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_23" xlink:to="loc_us-gaap_CommitmentsAndContingencies_34" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_35"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_23" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_35" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_StockholdersEquityAbstract_36"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_35" xlink:to="loc_us-gaap_StockholdersEquityAbstract_36" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_PreferredStockValue_37"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_36" xlink:to="loc_us-gaap_PreferredStockValue_37" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_CommonStockValue_38"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_36" xlink:to="loc_us-gaap_CommonStockValue_38" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AdditionalPaidInCapital_39"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_36" xlink:to="loc_us-gaap_AdditionalPaidInCapital_39" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_TreasuryStockValue_40"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_36" xlink:to="loc_us-gaap_TreasuryStockValue_40" order="30" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_41"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_36" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_41" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_42"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_36" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_42" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_StockholdersEquity_43"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_36" xlink:to="loc_us-gaap_StockholdersEquity_43" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_MinorityInterest_44"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_36" xlink:to="loc_us-gaap_MinorityInterest_44" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_45"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_36" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_45" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_LiabilitiesAndStockholdersEquity_46"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_23" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_46" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/ConsolidatedBalanceSheetsParenthetical">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_0"/>
<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_us-gaap_StatementTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0" xlink:to="loc_us-gaap_StatementTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StatementClassOfStockAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementClassOfStockAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_ClassOfStockDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_2" xlink:to="loc_us-gaap_ClassOfStockDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_CommonClassAMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_3" xlink:to="loc_us-gaap_CommonClassAMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_CommonClassBMember_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_3" xlink:to="loc_us-gaap_CommonClassBMember_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_StatementLineItems_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementLineItems_6" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_PreferredStockParOrStatedValuePerShare_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_8" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_PreferredStockSharesAuthorized_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_9" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_PreferredStockSharesIssued_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_us-gaap_PreferredStockSharesIssued_10" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_CommonStockParOrStatedValuePerShare_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_11" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_CommonStockSharesAuthorized_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_12" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_CommonStockSharesIssued_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_us-gaap_CommonStockSharesIssued_13" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_CommonStockSharesOutstanding_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_14" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_TreasuryStockShares_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_us-gaap_TreasuryStockShares_15" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/ConsolidatedStatementsOfOperationsUnaudited">
<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_us-gaap_IncomeStatementAbstract_0"/>
<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_us-gaap_Revenues_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_Revenues_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_OperatingExpensesAbstract_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_OperatingExpensesAbstract_2" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_CostOfRevenue_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_2" xlink:to="loc_us-gaap_CostOfRevenue_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_2" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_4" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DepreciationAndAmortization_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_2" xlink:to="loc_us-gaap_DepreciationAndAmortization_5" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SeveranceCosts1" xlink:label="loc_us-gaap_SeveranceCosts1_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_2" xlink:to="loc_us-gaap_SeveranceCosts1_6" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OperatingExpensesAbstract_2" xlink:to="loc_us-gaap_OperatingExpenses_7" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_OtherGeneralExpense_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_OtherGeneralExpense_8" order="20" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_OperatingIncomeLoss_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_OperatingIncomeLoss_9" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_InterestIncomeExpenseNet_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_10" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_NonoperatingIncomeExpense_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_11" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_12" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_IncomeTaxExpenseBenefit_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_13" order="70" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_ProfitLoss_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_ProfitLoss_14" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_15" order="90" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_NetIncomeLoss_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_NetIncomeLoss_16" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_EarningsPerShareAbstract_17"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_EarningsPerShareAbstract_17" order="110" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_18"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_17" xlink:to="loc_us-gaap_EarningsPerShareBasic_18" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_19"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_17" xlink:to="loc_us-gaap_EarningsPerShareDiluted_19" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_20"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_20" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_21"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_20" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_21" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_22"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_20" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_22" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_23"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_20" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_23" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_24"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_0" xlink:to="loc_us-gaap_ShareBasedCompensation_24" order="130" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/ConsolidatedStatementsOfComprehensiveLossIncomeUnaudited">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_0"/>
<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_us-gaap_ProfitLoss_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_0" xlink:to="loc_us-gaap_ProfitLoss_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/presentationGuidance"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax_4" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_5" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_0" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_6" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_0" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_7" order="40" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_0" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_8" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/ConsolidatedStatementsOfCashFlowsUnaudited">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_ProfitLoss_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1" xlink:to="loc_us-gaap_ProfitLoss_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_DepreciationAndAmortization_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3" xlink:to="loc_us-gaap_DepreciationAndAmortization_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DeferredIncomeTaxesAndTaxCredits_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_ProvisionForDoubtfulAccounts_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_6" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3" xlink:to="loc_us-gaap_AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments_7" order="30" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_IncomeLossFromEquityMethodInvestments_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_8" order="40" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3" xlink:to="loc_us-gaap_ShareBasedCompensation_9" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_3" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10" xlink:to="loc_us-gaap_IncreaseDecreaseInRestrictedCashForOperatingActivities_11" order="0" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_IncreaseDecreaseInAccountsReceivable_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_12" order="10" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_13" order="20" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_14" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_IncreaseDecreaseInCustomerDeposits_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10" xlink:to="loc_us-gaap_IncreaseDecreaseInCustomerDeposits_15" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_IncreaseDecreaseInDeferredRevenue_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_10" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_16" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_NetCashProvidedByUsedInOperatingActivities_17"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_17" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_18"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_18" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_19"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_18" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_19" order="0" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RelatedPartyTransactionSaleToRelatedPartyAmount" xlink:label="loc_idt_RelatedPartyTransactionSaleToRelatedPartyAmount_20"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_18" xlink:to="loc_idt_RelatedPartyTransactionSaleToRelatedPartyAmount_20" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/disclosureGuidance"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_LossContingencyPaymentForAssets" xlink:label="loc_idt_LossContingencyPaymentForAssets_21"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_18" xlink:to="loc_idt_LossContingencyPaymentForAssets_21" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_22"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_18" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_22" order="30" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireInvestments_23"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_18" xlink:to="loc_us-gaap_PaymentsToAcquireInvestments_23" order="40" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_PaymentsToAcquireMarketableSecurities_24"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_18" xlink:to="loc_us-gaap_PaymentsToAcquireMarketableSecurities_24" order="50" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_25"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_18" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_25" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_NetCashProvidedByUsedInInvestingActivities_26"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_18" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_26" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_PaymentsOfDividendsCommonStock_28"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_28" order="0" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashDivestedFromDeconsolidation" xlink:label="loc_us-gaap_CashDivestedFromDeconsolidation_29"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27" xlink:to="loc_us-gaap_CashDivestedFromDeconsolidation_29" order="10" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_PaymentsOfCapitalDistribution_30"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27" xlink:to="loc_us-gaap_PaymentsOfCapitalDistribution_30" order="20" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_ProceedsFromLinesOfCredit_31"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_31" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_RepaymentsOfLinesOfCredit_32"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_32" order="40" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOrSaleOfEquity" xlink:label="loc_us-gaap_ProceedsFromIssuanceOrSaleOfEquity_33"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27" xlink:to="loc_us-gaap_ProceedsFromIssuanceOrSaleOfEquity_33" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_ProceedsFromSaleOfInterestInRelatedParty" xlink:label="loc_idt_ProceedsFromSaleOfInterestInRelatedParty_34"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27" xlink:to="loc_idt_ProceedsFromSaleOfInterestInRelatedParty_34" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_ProceedsFromSaleOfInterestInLimitedLiabilityCompany" xlink:label="loc_idt_ProceedsFromSaleOfInterestInLimitedLiabilityCompany_35"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27" xlink:to="loc_idt_ProceedsFromSaleOfInterestInLimitedLiabilityCompany_35" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/disclosureGuidance"/>
<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_us-gaap_ProceedsFromStockOptionsExercised_36"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_36" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_PaymentsForRepurchaseOfCommonStock_37"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_37" order="90" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_NetCashProvidedByUsedInFinancingActivities_38"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_27" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_38" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_39"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_39" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_40"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_40" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
<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_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_41"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_41" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<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_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_42"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_42" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_43"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0" xlink:to="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_43" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_NetAssetsExcludingCashAndCashEquivalentsOfSubsidiariesDeconsolidatedAsResultOfSpinOff" xlink:label="loc_idt_NetAssetsExcludingCashAndCashEquivalentsOfSubsidiariesDeconsolidatedAsResultOfSpinOff_44"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_43" xlink:to="loc_idt_NetAssetsExcludingCashAndCashEquivalentsOfSubsidiariesDeconsolidatedAsResultOfSpinOff_44" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_ReclassificationOfLiabilityForMemberInterestsInCsPharmaHoldingsLlc" xlink:label="loc_idt_ReclassificationOfLiabilityForMemberInterestsInCsPharmaHoldingsLlc_45"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_43" xlink:to="loc_idt_ReclassificationOfLiabilityForMemberInterestsInCsPharmaHoldingsLlc_45" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/ConsolidatedStatementsOfCashFlowsParentheticalUnaudited">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_0" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/BasisOfPresentation">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:label="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_0" xlink:to="loc_us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSale">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract" xlink:label="loc_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract_0"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_AssetsAndLiabilitiesHeldForSaleTextBlock" xlink:label="loc_idt_AssetsAndLiabilitiesHeldForSaleTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract_0" xlink:to="loc_idt_AssetsAndLiabilitiesHeldForSaleTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/RafaelHoldingsIncSpinOff">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelHoldingsIncSpinOffAbstract" xlink:label="loc_idt_RafaelHoldingsIncSpinOffAbstract_0"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_DispositionOfSubsidiaryTextBlock" xlink:label="loc_idt_DispositionOfSubsidiaryTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RafaelHoldingsIncSpinOffAbstract_0" xlink:to="loc_idt_DispositionOfSubsidiaryTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/MarketableSecurities">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/FairValueMeasurements">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_0" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/Equity">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_0" xlink:to="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/EarningsLossPerShare">
<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_us-gaap_EarningsPerShareAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_0" xlink:to="loc_us-gaap_EarningsPerShareTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/SeveranceExpense">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_SeveranceExpenseAbstract" xlink:label="loc_idt_SeveranceExpenseAbstract_0"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_SeveranceExpenseTextBlock" xlink:label="loc_idt_SeveranceExpenseTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_SeveranceExpenseAbstract_0" xlink:to="loc_idt_SeveranceExpenseTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/RevolvingCreditFacility">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RevolvingCreditFacilityAbstract" xlink:label="loc_idt_RevolvingCreditFacilityAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShortTermDebtTextBlock" xlink:label="loc_us-gaap_ShortTermDebtTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RevolvingCreditFacilityAbstract_0" xlink:to="loc_us-gaap_ShortTermDebtTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/AccumulatedOtherComprehensiveLoss">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock" xlink:label="loc_us-gaap_ComprehensiveIncomeNoteTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_0" xlink:to="loc_us-gaap_ComprehensiveIncomeNoteTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/BusinessSegmentInformation">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_0" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/CommitmentsAndContingencies">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LegalMattersAndContingenciesTextBlock" xlink:label="loc_us-gaap_LegalMattersAndContingenciesTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0" xlink:to="loc_us-gaap_LegalMattersAndContingenciesTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/OtherExpenseIncomeNet">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="loc_us-gaap_OtherIncomeAndExpensesAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock" xlink:label="loc_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_0" xlink:to="loc_us-gaap_OtherIncomeAndOtherExpenseDisclosureTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/presentationGuidance"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/IncomeTaxAndNewJerseyCorporationBusinessTax">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_0" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/RecentlyIssuedAccountingStandardNotYetAdopted">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:label="loc_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted" xlink:label="loc_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_0" xlink:to="loc_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaletables">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract" xlink:label="loc_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract_0"/>
<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_us-gaap_StatementTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract_0" xlink:to="loc_us-gaap_StatementTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StatementBusinessSegmentsAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_SegmentDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2" xlink:to="loc_us-gaap_SegmentDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtfsHoldingMember" xlink:label="loc_idt_IdtfsHoldingMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_3" xlink:to="loc_idt_IdtfsHoldingMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_StatementLineItems_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementLineItems_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTableTextBlock" xlink:label="loc_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTableTextBlock_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTableTextBlock_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock_7" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/RafaelHoldingsIncSpinOffTables">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelHoldingsIncSpinOffAbstract" xlink:label="loc_idt_RafaelHoldingsIncSpinOffAbstract_0"/>
<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_us-gaap_StatementTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RafaelHoldingsIncSpinOffAbstract_0" xlink:to="loc_us-gaap_StatementTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StatementBusinessSegmentsAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_SegmentDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2" xlink:to="loc_us-gaap_SegmentDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelHoldingsIncSpinOffMember" xlink:label="loc_idt_RafaelHoldingsIncSpinOffMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_3" xlink:to="loc_idt_RafaelHoldingsIncSpinOffMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_StatementLineItems_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementLineItems_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTableTextBlock" xlink:label="loc_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTableTextBlock_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTableTextBlock_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_us-gaap_ScheduleOfCondensedIncomeStatementTableTextBlock_7" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/MarketableSecuritiesTables">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MarketableSecuritiesTextBlock" xlink:label="loc_us-gaap_MarketableSecuritiesTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_MarketableSecuritiesTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesTextBlock_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesTextBlock_2" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock_3" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAfterTwelveMonthsTableTextBlock" xlink:label="loc_idt_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAfterTwelveMonthsTableTextBlock_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_idt_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAfterTwelveMonthsTableTextBlock_4" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/FairValueMeasurementsTables">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_0" xlink:to="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_0" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_2" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/EquityTables">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfStockholdersEquityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfStockholdersEquityTableTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_0" xlink:to="loc_us-gaap_ScheduleOfStockholdersEquityTableTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/EarningsLossPerShareTables">
<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_us-gaap_EarningsPerShareAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_0" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_0" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_2" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/AccumulatedOtherComprehensiveLossTables">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_0"/>
<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_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_0" xlink:to="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/BusinessSegmentInformationTables">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_0"/>
<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_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_0" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/OtherExpenseIncomeNetTables">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="loc_us-gaap_OtherIncomeAndExpensesAbstract_0"/>
<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_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_0" xlink:to="loc_us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/Idtfinancialservicesholdinglimitedassetsandliabilitiesheldforsaledetails">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract" xlink:label="loc_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract_0"/>
<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_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract_0" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_TitleOfIndividualAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_1" xlink:to="loc_us-gaap_TitleOfIndividualAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualAxis_2" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtFinancialServicesHoldingLimitedMember" xlink:label="loc_idt_IdtFinancialServicesHoldingLimitedMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_3" xlink:to="loc_idt_IdtFinancialServicesHoldingLimitedMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_1" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_6" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents" xlink:label="loc_idt_DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_6" xlink:to="loc_idt_DisposalGroupIncludingDiscontinuedOperationRestrictedCashAndCashEquivalents_8" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_6" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_9" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_6" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent_10" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_6" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_11" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_6" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_12" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/positiveLabel"/>
<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_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_13" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_13" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_14" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_13" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent_15" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_13" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_16" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_17"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_13" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_17" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_18"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_13" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_18" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_19"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_18" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_19" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_20"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_18" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_20" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent_21"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_18" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent_21" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_DisposalGroupIncludingDiscontinuedOperationCustomerDeposits" xlink:label="loc_idt_DisposalGroupIncludingDiscontinuedOperationCustomerDeposits_22"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_18" xlink:to="loc_idt_DisposalGroupIncludingDiscontinuedOperationCustomerDeposits_22" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_23"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_18" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities_23" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_24"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract_18" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_24" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_25"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_13" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_25" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_26"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_25" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_26" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_27"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_25" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_27" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/Idtfinancialservicesholdinglimitedassetsandliabilitiesheldforsaledetails1">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract" xlink:label="loc_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract_0"/>
<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_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract_0" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_1" xlink:to="loc_dei_LegalEntityAxis_2" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_2" xlink:to="loc_dei_EntityDomain_3" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtFinancialServicesHoldingLimitedMember" xlink:label="loc_idt_IdtFinancialServicesHoldingLimitedMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3" xlink:to="loc_idt_IdtFinancialServicesHoldingLimitedMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_1" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xlink:label="loc_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5" xlink:to="loc_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem_7" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/Idtfinancialservicesholdinglimitedassetsandliabilitiesheldforsaledetailstextual">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract" xlink:label="loc_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract_0"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable" xlink:label="loc_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_IdtFinancialServicesHoldingLimitedAssetsAndLiabilitiesHeldForSaleAbstract_0" xlink:to="loc_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable_1" xlink:to="loc_dei_LegalEntityAxis_2" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_2" xlink:to="loc_dei_EntityDomain_3" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtFinancialServicesHoldingLimitedMember" xlink:label="loc_idt_IdtFinancialServicesHoldingLimitedMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3" xlink:to="loc_idt_IdtFinancialServicesHoldingLimitedMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_AssetsAndHeldForSaleLineItems" xlink:label="loc_idt_AssetsAndHeldForSaleLineItems_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfAssetsAndLiabilitiesHeldForSaleTable_1" xlink:to="loc_idt_AssetsAndHeldForSaleLineItems_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract" xlink:label="loc_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_AssetsAndHeldForSaleLineItems_5" xlink:to="loc_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract_6" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfInterestInConsolidatedSubsidiaries_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts" xlink:label="loc_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract_6" xlink:to="loc_idt_DisposalGroupIncludingDiscontinuedOperationAllowanceForDoubtfulAccounts_8" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AssetsNet_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_AssetsAndLiabilitiesHeldForSaleTextualAbstract_6" xlink:to="loc_us-gaap_AssetsNet_9" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/Rafaelholdingsincspinoffdetails">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelHoldingsIncSpinOffAbstract" xlink:label="loc_idt_RafaelHoldingsIncSpinOffAbstract_0"/>
<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_us-gaap_StatementTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RafaelHoldingsIncSpinOffAbstract_0" xlink:to="loc_us-gaap_StatementTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_dei_LegalEntityAxis_2" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_2" xlink:to="loc_dei_EntityDomain_3" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelHoldingsIncMember" xlink:label="loc_idt_RafaelHoldingsIncMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3" xlink:to="loc_idt_RafaelHoldingsIncMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/commentaryGuidance"/>
<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_us-gaap_StatementLineItems_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementLineItems_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_DisposalGroupIncludingDiscontinuedOperationMarketableSecuritiesCurrent" xlink:label="loc_idt_DisposalGroupIncludingDiscontinuedOperationMarketableSecuritiesCurrent_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_idt_DisposalGroupIncludingDiscontinuedOperationMarketableSecuritiesCurrent_7" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_8" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_9" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_10" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_DisposalGroupIncludingDiscontinuedOperationInvestmentsNoncurrent" xlink:label="loc_idt_DisposalGroupIncludingDiscontinuedOperationInvestmentsNoncurrent_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_idt_DisposalGroupIncludingDiscontinuedOperationInvestmentsNoncurrent_11" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_12" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
<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_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_13" order="70" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<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_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_14" order="80" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_DisposalGroupIncludingDiscontinuedOperationNoncontrollingInterests" xlink:label="loc_idt_DisposalGroupIncludingDiscontinuedOperationNoncontrollingInterests_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_idt_DisposalGroupIncludingDiscontinuedOperationNoncontrollingInterests_15" order="90" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_DisposalGroupIncludingDiscontinuedOperationEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_idt_DisposalGroupIncludingDiscontinuedOperationEquityIncludingPortionAttributableToNoncontrollingInterest_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_5" xlink:to="loc_idt_DisposalGroupIncludingDiscontinuedOperationEquityIncludingPortionAttributableToNoncontrollingInterest_16" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/Rafaelholdingsincspinoffdetails1">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelHoldingsIncSpinOffAbstract" xlink:label="loc_idt_RafaelHoldingsIncSpinOffAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable" xlink:label="loc_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RafaelHoldingsIncSpinOffAbstract_0" xlink:to="loc_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1" xlink:to="loc_dei_LegalEntityAxis_2" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_2" xlink:to="loc_dei_EntityDomain_3" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelHoldingsIncMember" xlink:label="loc_idt_RafaelHoldingsIncMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3" xlink:to="loc_idt_RafaelHoldingsIncMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/positiveLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem" xlink:label="loc_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_5" xlink:to="loc_idt_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItem_7" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/positiveLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/RafaelHoldingsIncSpinOffDetailsTextual">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelHoldingsIncSpinOffAbstract" xlink:label="loc_idt_RafaelHoldingsIncSpinOffAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable" xlink:label="loc_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RafaelHoldingsIncSpinOffAbstract_0" xlink:to="loc_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1" xlink:to="loc_dei_LegalEntityAxis_2" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_2" xlink:to="loc_dei_EntityDomain_3" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelHoldingsIncMember" xlink:label="loc_idt_RafaelHoldingsIncMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3" xlink:to="loc_idt_RafaelHoldingsIncMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtCorporationOptionHolderMember" xlink:label="loc_idt_IdtCorporationOptionHolderMember_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3" xlink:to="loc_idt_IdtCorporationOptionHolderMember_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_StatementClassOfStockAxis_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1" xlink:to="loc_us-gaap_StatementClassOfStockAxis_6" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_ClassOfStockDomain_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_6" xlink:to="loc_us-gaap_ClassOfStockDomain_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_CommonClassBMember_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_7" xlink:to="loc_us-gaap_CommonClassBMember_8" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/presentationGuidance"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelClassBCommonStockMember" xlink:label="loc_idt_RafaelClassBCommonStockMember_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_7" xlink:to="loc_idt_RafaelClassBCommonStockMember_9" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSubsidiaryOfLimitedLiabilityCompanyOrLimitedPartnershipTable_1" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_10" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelHoldingsIncSpinOffTextualAbstract" xlink:label="loc_idt_RafaelHoldingsIncSpinOffTextualAbstract_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_10" xlink:to="loc_idt_RafaelHoldingsIncSpinOffTextualAbstract_11" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_SpinOffCashAndMarketableSecuritiesToBeDistributed" xlink:label="loc_idt_SpinOffCashAndMarketableSecuritiesToBeDistributed_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RafaelHoldingsIncSpinOffTextualAbstract_11" xlink:to="loc_idt_SpinOffCashAndMarketableSecuritiesToBeDistributed_12" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RafaelHoldingsIncSpinOffTextualAbstract_11" xlink:to="loc_us-gaap_ShareBasedCompensation_13" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/disclosureGuidance"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RafaelHoldingsIncSpinOffTextualAbstract_11" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_14" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_CashAndMarketableSecuritiesDivestedFromDeconsolidation" xlink:label="loc_idt_CashAndMarketableSecuritiesDivestedFromDeconsolidation_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RafaelHoldingsIncSpinOffTextualAbstract_11" xlink:to="loc_idt_CashAndMarketableSecuritiesDivestedFromDeconsolidation_15" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/MarketableSecuritiesDetails">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0"/>
<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_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_2" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_CertificatesOfDepositMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_CertificatesOfDepositMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_InternationalAgencyNotesMember" xlink:label="loc_idt_InternationalAgencyNotesMember_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_idt_InternationalAgencyNotesMember_6" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_MutualFundsMember" xlink:label="loc_idt_MutualFundsMember_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_idt_MutualFundsMember_7" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_CorporateBondSecuritiesMember_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_CorporateBondSecuritiesMember_8" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_EquitySecuritiesMember_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_EquitySecuritiesMember_9" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_USTreasuryNotesSecuritiesMember_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_USTreasuryNotesSecuritiesMember_10" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_us-gaap_MunicipalBondsMember_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_MunicipalBondsMember_11" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_12" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesCurrentAbstract" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_12" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_13" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_13" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_14" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_13" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_15" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_13" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_16" order="20" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax_17"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_13" xlink:to="loc_us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax_17" order="30" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_AvailableForSaleSecuritiesTotalGrossUnrealizedGains" xlink:label="loc_idt_AvailableForSaleSecuritiesTotalGrossUnrealizedGains_18"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_13" xlink:to="loc_idt_AvailableForSaleSecuritiesTotalGrossUnrealizedGains_18" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_AvailableForSaleSecuritiesTotalGrossUnrealizedLosses" xlink:label="loc_idt_AvailableForSaleSecuritiesTotalGrossUnrealizedLosses_19"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_13" xlink:to="loc_idt_AvailableForSaleSecuritiesTotalGrossUnrealizedLosses_19" order="50" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
<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_us-gaap_MarketableSecuritiesCurrent_20"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_13" xlink:to="loc_us-gaap_MarketableSecuritiesCurrent_20" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/MarketableSecuritiesDetails1">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_2" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_3" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_4" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_5" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/MarketableSecuritiesDetails2">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0"/>
<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_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_2" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_CertificatesOfDepositMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_CertificatesOfDepositMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ForeignGovernmentDebtSecuritiesMember" xlink:label="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_ForeignGovernmentDebtSecuritiesMember_6" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_CorporateBondSecuritiesMember_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_CorporateBondSecuritiesMember_7" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_EquitySecuritiesMember_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_EquitySecuritiesMember_8" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_USTreasurySecuritiesMember" xlink:label="loc_us-gaap_USTreasurySecuritiesMember_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_USTreasurySecuritiesMember_9" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_us-gaap_MunicipalBondsMember_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_MunicipalBondsMember_10" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_11" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_11" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_12" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_11" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_13" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/MarketableSecuritiesDetails3">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0"/>
<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_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_2" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_FederalGovernmentSponsoredEnterpriseMember" xlink:label="loc_idt_FederalGovernmentSponsoredEnterpriseMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_idt_FederalGovernmentSponsoredEnterpriseMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_us-gaap_MunicipalBondsMember_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_3" xlink:to="loc_us-gaap_MunicipalBondsMember_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_6" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesCurrentAbstract" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_6" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_7" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_8" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
<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_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesCurrentAbstract_7" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_9" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/MarketableSecuritiesDetailsTextual">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract" xlink:label="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0"/>
<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_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract_0" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1" xlink:to="loc_dei_LegalEntityAxis_2" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_2" xlink:to="loc_dei_EntityDomain_3" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_ZedgeMember" xlink:label="loc_idt_ZedgeMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_3" xlink:to="loc_idt_ZedgeMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_1" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_MarketableSecuritiesTextualAbstract" xlink:label="loc_idt_MarketableSecuritiesTextualAbstract_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_5" xlink:to="loc_idt_MarketableSecuritiesTextualAbstract_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_NumberOfRelatedPartySharesReceivedInConnectionWithRestrictedStock" xlink:label="loc_idt_NumberOfRelatedPartySharesReceivedInConnectionWithRestrictedStock_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_MarketableSecuritiesTextualAbstract_6" xlink:to="loc_idt_NumberOfRelatedPartySharesReceivedInConnectionWithRestrictedStock_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/disclosureGuidance"/>
<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_us-gaap_InvestmentOwnedAtFairValue_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_MarketableSecuritiesTextualAbstract_6" xlink:to="loc_us-gaap_InvestmentOwnedAtFairValue_8" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_MarketableSecuritiesTextualAbstract_6" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_9" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_MarketableSecuritiesTextualAbstract_6" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_10" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_MarketableSecuritiesTextualAbstract_6" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses_11" order="40" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/FairValueMeasurementsDetails">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_0"/>
<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_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_0" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_FairValueByMeasurementFrequencyAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_FairValueMeasurementFrequencyDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_2" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_FairValueMeasurementsRecurringMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_3" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_FairValueByFairValueHierarchyLevelAxis_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_5" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_FairValueInputsLevel1Member_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_FairValueInputsLevel2Member_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_8" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_FairValueInputsLevel3Member_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_6" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_9" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_10" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AssetsFairValueDisclosureAbstract_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_10" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_11" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_MarketableSecuritiesCurrent_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_11" xlink:to="loc_us-gaap_MarketableSecuritiesCurrent_12" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
<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_us-gaap_OtherInvestments_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_11" xlink:to="loc_us-gaap_OtherInvestments_13" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AssetsFairValueDisclosureRecurring_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_11" xlink:to="loc_us-gaap_AssetsFairValueDisclosureRecurring_14" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/Fairvaluemeasurementsdetails1">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_0"/>
<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_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_0" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<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_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_3" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSpinOff" xlink:label="loc_idt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSpinOff_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1" xlink:to="loc_idt_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSpinOff_4" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_5" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
<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_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_1" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_6" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/FairValueMeasurementsDetailsTextual">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_0"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_FairValueMeasurementTextualAbstract" xlink:label="loc_idt_FairValueMeasurementTextualAbstract_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_0" xlink:to="loc_idt_FairValueMeasurementTextualAbstract_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_InvestmentInHedgeFunds" xlink:label="loc_idt_InvestmentInHedgeFunds_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_FairValueMeasurementTextualAbstract_1" xlink:to="loc_idt_InvestmentInHedgeFunds_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_FairValueEstimateNotPracticableCostMethodInvestments_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_FairValueMeasurementTextualAbstract_1" xlink:to="loc_us-gaap_FairValueEstimateNotPracticableCostMethodInvestments_3" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/EquityDetails">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_0"/>
<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_us-gaap_StatementTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_0" xlink:to="loc_us-gaap_StatementTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StatementEquityComponentsAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_EquityComponentDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_2" xlink:to="loc_us-gaap_EquityComponentDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_us-gaap_ParentMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_3" xlink:to="loc_us-gaap_ParentMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_NoncontrollingInterestMember_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_3" xlink:to="loc_us-gaap_NoncontrollingInterestMember_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_StatementLineItems_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementLineItems_6" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_6" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_8" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<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_us-gaap_DividendsCash_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7" xlink:to="loc_us-gaap_DividendsCash_9" order="10" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RepurchaseOfRestrictedStock" xlink:label="loc_idt_RepurchaseOfRestrictedStock_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7" xlink:to="loc_idt_RepurchaseOfRestrictedStock_10" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_TransferOfRightToReceiveEquityToRelatedParty" xlink:label="loc_idt_TransferOfRightToReceiveEquityToRelatedParty_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7" xlink:to="loc_idt_TransferOfRightToReceiveEquityToRelatedParty_11" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7" xlink:to="loc_us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination_12" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_DistributionToNoncontrollingInterests" xlink:label="loc_idt_DistributionToNoncontrollingInterests_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7" xlink:to="loc_idt_DistributionToNoncontrollingInterests_13" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityNoteSpinoffTransaction" xlink:label="loc_us-gaap_StockholdersEquityNoteSpinoffTransaction_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7" xlink:to="loc_us-gaap_StockholdersEquityNoteSpinoffTransaction_14" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_StockBasedCompensation" xlink:label="loc_idt_StockBasedCompensation_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7" xlink:to="loc_idt_StockBasedCompensation_15" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_16" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_ProfitLoss_17"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_16" xlink:to="loc_us-gaap_ProfitLoss_17" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_18"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_16" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_18" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_19"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_16" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_19" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/positiveLabel"/>
<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_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_20"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_7" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_20" order="90" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/EquityDetailsTextual">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_0"/>
<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_us-gaap_ScheduleOfStockByClassTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityAbstract_0" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StatementClassOfStockAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1" xlink:to="loc_us-gaap_StatementClassOfStockAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_ClassOfStockDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_2" xlink:to="loc_us-gaap_ClassOfStockDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_CommonClassAMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_3" xlink:to="loc_us-gaap_CommonClassAMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_CommonClassBMember_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_3" xlink:to="loc_us-gaap_CommonClassBMember_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_PlanNameAxis_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1" xlink:to="loc_us-gaap_PlanNameAxis_6" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_PlanNameDomain_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameAxis_6" xlink:to="loc_us-gaap_PlanNameDomain_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_TwoThousandFifiteenStockOptionAndIncentivePlanMember" xlink:label="loc_idt_TwoThousandFifiteenStockOptionAndIncentivePlanMember_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PlanNameDomain_7" xlink:to="loc_idt_TwoThousandFifiteenStockOptionAndIncentivePlanMember_8" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_TitleOfIndividualAxis_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1" xlink:to="loc_us-gaap_TitleOfIndividualAxis_9" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualAxis_9" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_10" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_JonasMember" xlink:label="loc_idt_JonasMember_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_10" xlink:to="loc_idt_JonasMember_11" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelPharmaMember" xlink:label="loc_idt_RafaelPharmaMember_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_10" xlink:to="loc_idt_RafaelPharmaMember_12" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_EmployeeMember" xlink:label="loc_idt_EmployeeMember_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_10" xlink:to="loc_idt_EmployeeMember_13" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_LipomedixMember" xlink:label="loc_idt_LipomedixMember_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_10" xlink:to="loc_idt_LipomedixMember_14" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_OptionIndexedToIssuersEquityTypeAxis_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1" xlink:to="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis_15" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_OptionIndexedToIssuersEquityTypeDomain_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis_15" xlink:to="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_16" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_EmployeeStockOptionMember_17"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_16" xlink:to="loc_us-gaap_EmployeeStockOptionMember_17" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StatementEquityComponentsAxis_18"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_18" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_EquityComponentDomain_19"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_18" xlink:to="loc_us-gaap_EquityComponentDomain_19" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_CommonStockMember_20"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_19" xlink:to="loc_us-gaap_CommonStockMember_20" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_21"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_21" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_22"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_21" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_22" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_23"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_22" xlink:to="loc_us-gaap_SubsequentEventMember_23" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidatedEntitiesAxis" xlink:label="loc_us-gaap_ConsolidatedEntitiesAxis_24"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1" xlink:to="loc_us-gaap_ConsolidatedEntitiesAxis_24" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidatedEntitiesDomain" xlink:label="loc_us-gaap_ConsolidatedEntitiesDomain_25"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidatedEntitiesAxis_24" xlink:to="loc_us-gaap_ConsolidatedEntitiesDomain_25" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_us-gaap_ParentCompanyMember_26"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidatedEntitiesDomain_25" xlink:to="loc_us-gaap_ParentCompanyMember_26" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_27"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1" xlink:to="loc_dei_LegalEntityAxis_27" order="70" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_28"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_27" xlink:to="loc_dei_EntityDomain_28" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtRafaelHoldingsLlcMember" xlink:label="loc_idt_IdtRafaelHoldingsLlcMember_29"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_28" xlink:to="loc_idt_IdtRafaelHoldingsLlcMember_29" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_ClassOfStockLineItems_30"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_1" xlink:to="loc_us-gaap_ClassOfStockLineItems_30" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_EquityTextualAbstract" xlink:label="loc_idt_EquityTextualAbstract_31"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockLineItems_30" xlink:to="loc_idt_EquityTextualAbstract_31" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_CommonStockDividendsPerShareCashPaid_32"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_CommonStockDividendsPerShareCashPaid_32" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DividendsCommonStockCash_33"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_DividendsCommonStockCash_33" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DividendPayableDateToBePaidDayMonthAndYear_34"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_DividendPayableDateToBePaidDayMonthAndYear_34" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_35"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_35" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_DividendsPayableAmountPerShare_36"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_DividendsPayableAmountPerShare_36" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_37"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized_37" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_38"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased_38" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased_39"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased_39" order="70" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_TreasuryStockValueAcquiredCostMethod_40"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_40" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_TreasuryStockSharesAcquired_41"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_41" order="90" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_ProceedsFromStockOptionsExercised_42"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_42" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_43"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_43" order="110" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions_44"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions_44" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_PercentageOfCapitalStockOutstanding" xlink:label="loc_idt_PercentageOfCapitalStockOutstanding_45"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_idt_PercentageOfCapitalStockOutstanding_45" order="130" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_ContractualRightToReceiveAdditionalSharesPercentage" xlink:label="loc_idt_ContractualRightToReceiveAdditionalSharesPercentage_46"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_idt_ContractualRightToReceiveAdditionalSharesPercentage_46" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_47"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_47" order="150" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_48"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_48" order="160" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SaleOfStockPricePerShare" xlink:label="loc_us-gaap_SaleOfStockPricePerShare_49"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_EquityTextualAbstract_31" xlink:to="loc_us-gaap_SaleOfStockPricePerShare_49" order="170" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/EarningsLossPerShareDetails">
<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_us-gaap_EarningsPerShareAbstract_0"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_0" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_1" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/positiveTerseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_0" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_3" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
<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_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_3" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/zeroTerseLabel"/>
<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_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_3" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToNonvestedSharesWithForfeitableDividends_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_3" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_6" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/presentationGuidance"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/EarningsLossPerShareDetails1">
<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_us-gaap_EarningsPerShareAbstract_0"/>
<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_us-gaap_StatementTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_0" xlink:to="loc_us-gaap_StatementTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_OptionIndexedToIssuersEquityTypeAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_OptionIndexedToIssuersEquityTypeDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OptionIndexedToIssuersEquityTypeAxis_2" xlink:to="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_EmployeeStockOptionMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OptionIndexedToIssuersEquityTypeDomain_3" xlink:to="loc_us-gaap_EmployeeStockOptionMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_StatementScenarioAxis_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementScenarioAxis_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_ScenarioUnspecifiedDomain_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_5" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_NonVestedRestrictedClassbCommonStockMember" xlink:label="loc_idt_NonVestedRestrictedClassbCommonStockMember_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_6" xlink:to="loc_idt_NonVestedRestrictedClassbCommonStockMember_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_StatementLineItems_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementLineItems_8" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_8" xlink:to="loc_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract_9" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/disclosureGuidance"/>
<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_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract_9" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_10" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/SeveranceExpenseDetails">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_SeveranceExpenseAbstract" xlink:label="loc_idt_SeveranceExpenseAbstract_0"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_SeveranceExpenseTable" xlink:label="loc_idt_SeveranceExpenseTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_SeveranceExpenseAbstract_0" xlink:to="loc_idt_SeveranceExpenseTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StatementBusinessSegmentsAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_SeveranceExpenseTable_1" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_SegmentDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2" xlink:to="loc_us-gaap_SegmentDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtTelecomMember" xlink:label="loc_idt_IdtTelecomMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_3" xlink:to="loc_idt_IdtTelecomMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_SeveranceExpenseLineItems" xlink:label="loc_idt_SeveranceExpenseLineItems_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_SeveranceExpenseTable_1" xlink:to="loc_idt_SeveranceExpenseLineItems_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_SeveranceExpenseTextualAbstract" xlink:label="loc_idt_SeveranceExpenseTextualAbstract_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_SeveranceExpenseLineItems_5" xlink:to="loc_idt_SeveranceExpenseTextualAbstract_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RestructuringAndRelatedExpectedPercentageOfPositionsEliminated" xlink:label="loc_idt_RestructuringAndRelatedExpectedPercentageOfPositionsEliminated_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_SeveranceExpenseTextualAbstract_6" xlink:to="loc_idt_RestructuringAndRelatedExpectedPercentageOfPositionsEliminated_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SeveranceCosts1" xlink:label="loc_us-gaap_SeveranceCosts1_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_SeveranceExpenseTextualAbstract_6" xlink:to="loc_us-gaap_SeveranceCosts1_8" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_SeveranceExpenseTextualAbstract_6" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent_9" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/RevolvingCreditFacilityDetails">
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RevolvingCreditFacilityAbstract" xlink:label="loc_idt_RevolvingCreditFacilityAbstract_0"/>
<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_us-gaap_DebtInstrumentTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RevolvingCreditFacilityAbstract_0" xlink:to="loc_us-gaap_DebtInstrumentTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_LineOfCreditFacilityAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_1" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_LineOfCreditFacilityLenderDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_2" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_JulyTwelveTwoThousandTwelveMember" xlink:label="loc_idt_JulyTwelveTwoThousandTwelveMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_3" xlink:to="loc_idt_JulyTwelveTwoThousandTwelveMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_PrimeRateMember_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_3" xlink:to="loc_us-gaap_PrimeRateMember_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_ShortTermDebtTypeAxis_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_1" xlink:to="loc_us-gaap_ShortTermDebtTypeAxis_6" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_ShortTermDebtTypeDomain_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis_6" xlink:to="loc_us-gaap_ShortTermDebtTypeDomain_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_LineOfCreditMember_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain_7" xlink:to="loc_us-gaap_LineOfCreditMember_8" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_DebtInstrumentLineItems_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_1" xlink:to="loc_us-gaap_DebtInstrumentLineItems_9" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RevolvingCreditLoanPayableTextualAbstract" xlink:label="loc_idt_RevolvingCreditLoanPayableTextualAbstract_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9" xlink:to="loc_idt_RevolvingCreditLoanPayableTextualAbstract_10" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RevolvingCreditLoanPayableTextualAbstract_10" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_11" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RevolvingCreditLoanPayableTextualAbstract_10" xlink:to="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_12" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_LineOfCreditFacilityExpirationDate1_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RevolvingCreditLoanPayableTextualAbstract_10" xlink:to="loc_us-gaap_LineOfCreditFacilityExpirationDate1_13" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_ShortTermBankLoansAndNotesPayable_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RevolvingCreditLoanPayableTextualAbstract_10" xlink:to="loc_us-gaap_ShortTermBankLoansAndNotesPayable_14" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RevolvingCreditLoanPayableTextualAbstract_10" xlink:to="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_15" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_BasisPointsSpread" xlink:label="loc_idt_BasisPointsSpread_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RevolvingCreditLoanPayableTextualAbstract_10" xlink:to="loc_idt_BasisPointsSpread_16" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_LineOfCreditFacilityInterestRateDescription_17"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_RevolvingCreditLoanPayableTextualAbstract_10" xlink:to="loc_us-gaap_LineOfCreditFacilityInterestRateDescription_17" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/AccumulatedOtherComprehensiveLossDetails">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_0"/>
<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_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_0" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StatementEquityComponentsAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_1" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_EquityComponentDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_2" xlink:to="loc_us-gaap_EquityComponentDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_3" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_AccumulatedTranslationAdjustmentMember_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_3" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_AccumulatedOtherComprehensiveMember" xlink:label="loc_idt_AccumulatedOtherComprehensiveMember_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_3" xlink:to="loc_idt_AccumulatedOtherComprehensiveMember_6" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_IncomeStatementLocationAxis_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_1" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_7" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_IncomeStatementLocationDomain_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_7" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_8" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_OtherNonoperatingIncomeExpenseMember_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_8" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpenseMember_9" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_1" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_10" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract" xlink:label="loc_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_10" xlink:to="loc_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract_11" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract_11" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_12" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityNoteSpinoffTransaction" xlink:label="loc_us-gaap_StockholdersEquityNoteSpinoffTransaction_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract_11" xlink:to="loc_us-gaap_StockholdersEquityNoteSpinoffTransaction_13" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract_11" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_14" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/disclosureGuidance"/>
<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_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract_11" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_15" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract_11" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_16" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/disclosureGuidance"/>
<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_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_17"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfAccumulatedBalancesForEachClassificationOfOtherComprehensiveIncomeLossAbstract_11" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_17" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/AccumulatedOtherComprehensiveLossDetailsTextual">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_0"/>
<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_us-gaap_StatementTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_0" xlink:to="loc_us-gaap_StatementTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StatementEquityComponentsAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_EquityComponentDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_2" xlink:to="loc_us-gaap_EquityComponentDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_3" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_InvestmentAxis" xlink:label="loc_invest_InvestmentAxis_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_invest_InvestmentAxis_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_InvestmentDomain" xlink:label="loc_invest_InvestmentDomain_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_invest_InvestmentAxis_5" xlink:to="loc_invest_InvestmentDomain_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RafaelPharmaceuticalsIncSeriesDNoteMember" xlink:label="loc_idt_RafaelPharmaceuticalsIncSeriesDNoteMember_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_invest_InvestmentDomain_6" xlink:to="loc_idt_RafaelPharmaceuticalsIncSeriesDNoteMember_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_StatementLineItems_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_1" xlink:to="loc_us-gaap_StatementLineItems_8" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_AccumulatedOtherComprehensiveLossTextualAbstract" xlink:label="loc_idt_AccumulatedOtherComprehensiveLossTextualAbstract_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_8" xlink:to="loc_idt_AccumulatedOtherComprehensiveLossTextualAbstract_9" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_AccumulatedOtherComprehensiveLossTextualAbstract_9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_10" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/definitionGuidance"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/BusinessSegmentInformationDetails">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_0"/>
<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_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_0" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_ConsolidationItemsAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_1" xlink:to="loc_us-gaap_ConsolidationItemsAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_ConsolidationItemsDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsAxis_2" xlink:to="loc_us-gaap_ConsolidationItemsDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_OperatingSegmentsMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ConsolidationItemsDomain_3" xlink:to="loc_us-gaap_OperatingSegmentsMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_StatementBusinessSegmentsAxis_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_1" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_SegmentDomain_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5" xlink:to="loc_us-gaap_SegmentDomain_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_TelecomAndPaymentServicesMember" xlink:label="loc_idt_TelecomAndPaymentServicesMember_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6" xlink:to="loc_idt_TelecomAndPaymentServicesMember_7" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember" xlink:label="loc_idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6" xlink:to="loc_idt_NetTwoPhoneUnifiedCommunicationsAsServiceMember_8" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_AllOtherMember" xlink:label="loc_idt_AllOtherMember_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6" xlink:to="loc_idt_AllOtherMember_9" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_CorporateMember_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_6" xlink:to="loc_us-gaap_CorporateMember_10" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_SegmentReportingInformationLineItems_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_1" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_11" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_Revenues_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_11" xlink:to="loc_us-gaap_Revenues_12" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/measurementGuidance"/>
<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_us-gaap_OperatingIncomeLoss_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_11" xlink:to="loc_us-gaap_OperatingIncomeLoss_13" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SeveranceCosts1" xlink:label="loc_us-gaap_SeveranceCosts1_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_11" xlink:to="loc_us-gaap_SeveranceCosts1_14" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_OtherGeneralExpense_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_11" xlink:to="loc_us-gaap_OtherGeneralExpense_15" order="30" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/BusinessSegmentInformationDetailsTextual">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_0"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_BusinessSegmentInformationTextualAbstract" xlink:label="loc_idt_BusinessSegmentInformationTextualAbstract_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_0" xlink:to="loc_idt_BusinessSegmentInformationTextualAbstract_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_NumberOfReportableSegments_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_BusinessSegmentInformationTextualAbstract_1" xlink:to="loc_us-gaap_NumberOfReportableSegments_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/CommitmentsAndContingenciesDetails">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0"/>
<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_us-gaap_LossContingenciesTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0" xlink:to="loc_us-gaap_LossContingenciesTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_StatementScenarioAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_1" xlink:to="loc_us-gaap_StatementScenarioAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_ScenarioUnspecifiedDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_2" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_1" xlink:to="loc_dei_LegalEntityAxis_4" order="10" use="optional"/>
<loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_LegalEntityAxis_4" xlink:to="loc_dei_EntityDomain_5" order="0" use="optional"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtFinancialServicesLtdMember" xlink:label="loc_idt_IdtFinancialServicesLtdMember_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5" xlink:to="loc_idt_IdtFinancialServicesLtdMember_6" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IdtPaymentServicesAndIdtFinancialServicesLtdMember" xlink:label="loc_idt_IdtPaymentServicesAndIdtFinancialServicesLtdMember_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityDomain_5" xlink:to="loc_idt_IdtPaymentServicesAndIdtFinancialServicesLtdMember_7" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_1" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_8" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_8" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_9" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="loc_us-gaap_SubsequentEventMember_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_9" xlink:to="loc_us-gaap_SubsequentEventMember_10" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_TitleOfIndividualAxis_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_1" xlink:to="loc_us-gaap_TitleOfIndividualAxis_11" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualAxis_11" xlink:to="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_12" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_StraightPathClassActionMember" xlink:label="loc_idt_StraightPathClassActionMember_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_12" xlink:to="loc_idt_StraightPathClassActionMember_13" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_LossContingenciesLineItems_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_1" xlink:to="loc_us-gaap_LossContingenciesLineItems_14" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_CommitmentsAndContingenciesTextualAbstract" xlink:label="loc_idt_CommitmentsAndContingenciesTextualAbstract_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_14" xlink:to="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_16" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_PurchaseObligation_17"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_us-gaap_PurchaseObligation_17" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_PerformanceBondsOutstanding" xlink:label="loc_idt_PerformanceBondsOutstanding_18"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_idt_PerformanceBondsOutstanding_18" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_ConnectivityLeaseRentalExpense" xlink:label="loc_idt_ConnectivityLeaseRentalExpense_19"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_idt_ConnectivityLeaseRentalExpense_19" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_OperatingLeasesRentExpenseNet_20"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_us-gaap_OperatingLeasesRentExpenseNet_20" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_EscrowDeposit_21"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_us-gaap_EscrowDeposit_21" order="50" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_CashAndCashEquivalentsSubstantiallyRestricted" xlink:label="loc_idt_CashAndCashEquivalentsSubstantiallyRestricted_22"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_idt_CashAndCashEquivalentsSubstantiallyRestricted_22" order="60" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_LossContingencyPaymentForAssets" xlink:label="loc_idt_LossContingencyPaymentForAssets_23"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_idt_LossContingencyPaymentForAssets_23" order="70" use="optional" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_LossContingencyPaymentForSettlementAndRelease" xlink:label="loc_idt_LossContingencyPaymentForSettlementAndRelease_24"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_idt_LossContingencyPaymentForSettlementAndRelease_24" order="80" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_PercentageOfLicenseNetProceedsToBePaidToRelatedPartyStockholders" xlink:label="loc_idt_PercentageOfLicenseNetProceedsToBePaidToRelatedPartyStockholders_25"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_idt_PercentageOfLicenseNetProceedsToBePaidToRelatedPartyStockholders_25" order="90" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_RelatedPartyTransactionSaleToRelatedPartyAmount" xlink:label="loc_idt_RelatedPartyTransactionSaleToRelatedPartyAmount_26"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_idt_RelatedPartyTransactionSaleToRelatedPartyAmount_26" order="100" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_LossContingencyPaymentAggregatePaidToRelatedParty" xlink:label="loc_idt_LossContingencyPaymentAggregatePaidToRelatedParty_27"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_idt_LossContingencyPaymentAggregatePaidToRelatedParty_27" order="110" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_OtherGeneralExpense_28"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_us-gaap_OtherGeneralExpense_28" order="120" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCommitmentsDescription" xlink:label="loc_us-gaap_OtherCommitmentsDescription_29"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_us-gaap_OtherCommitmentsDescription_29" order="130" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCommitment" xlink:label="loc_us-gaap_OtherCommitment_30"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_CommitmentsAndContingenciesTextualAbstract_15" xlink:to="loc_us-gaap_OtherCommitment_30" order="140" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/OtherExpenseIncomeNetDetails">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherIncomeAndExpensesAbstract" xlink:label="loc_us-gaap_OtherIncomeAndExpensesAbstract_0"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_ScheduleOfOtherExpenseIncomeNetAbstract" xlink:label="loc_idt_ScheduleOfOtherExpenseIncomeNetAbstract_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherIncomeAndExpensesAbstract_0" xlink:to="loc_idt_ScheduleOfOtherExpenseIncomeNetAbstract_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_ForeignCurrencyTransactionGainLossRealized_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfOtherExpenseIncomeNetAbstract_1" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossRealized_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_MarketableSecuritiesGainLoss_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfOtherExpenseIncomeNetAbstract_1" xlink:to="loc_us-gaap_MarketableSecuritiesGainLoss_3" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_GainLossOnInvestments_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfOtherExpenseIncomeNetAbstract_1" xlink:to="loc_us-gaap_GainLossOnInvestments_4" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_OtherNonoperatingIncomeExpense_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfOtherExpenseIncomeNetAbstract_1" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_5" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_NonoperatingIncomeExpense_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_ScheduleOfOtherExpenseIncomeNetAbstract_1" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_6" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
</presentationLink>
<presentationLink xlink:type="extended" xlink:role="http://www.idt.net/role/IncomeTaxAndNewJerseyCorporationBusinessTaxDetails">
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_0"/>
<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_us-gaap_IncomeTaxContingencyTable_1"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_0" xlink:to="loc_us-gaap_IncomeTaxContingencyTable_1" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_IncomeTaxAuthorityAxis_2"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_1" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_2" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_IncomeTaxAuthorityDomain_3"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_2" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_3" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_ElmionNetherlandsBVMember" xlink:label="loc_idt_ElmionNetherlandsBVMember_4"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_3" xlink:to="loc_idt_ElmionNetherlandsBVMember_4" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_AlternativeMinimumTaxMember" xlink:label="loc_idt_AlternativeMinimumTaxMember_5"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_3" xlink:to="loc_idt_AlternativeMinimumTaxMember_5" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_TaxCutsAndJobsActMember" xlink:label="loc_idt_TaxCutsAndJobsActMember_6"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_3" xlink:to="loc_idt_TaxCutsAndJobsActMember_6" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_RangeAxis_7"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_1" xlink:to="loc_us-gaap_RangeAxis_7" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_RangeMember_8"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_7" xlink:to="loc_us-gaap_RangeMember_8" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_9"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_8" xlink:to="loc_us-gaap_MaximumMember_9" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_MinimumMember_10"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_8" xlink:to="loc_us-gaap_MinimumMember_10" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<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_us-gaap_IncomeTaxContingencyLineItems_11"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_1" xlink:to="loc_us-gaap_IncomeTaxContingencyLineItems_11" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/label"/>
<loc xlink:type="locator" xlink:href="idt-20180430.xsd#idt_IncomeTaxAndNewJerseyCorporationBusinessTaxesTextualAbstract" xlink:label="loc_idt_IncomeTaxAndNewJerseyCorporationBusinessTaxesTextualAbstract_12"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_11" xlink:to="loc_idt_IncomeTaxAndNewJerseyCorporationBusinessTaxesTextualAbstract_12" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_IncomeTaxesReceivableNoncurrent_13"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_IncomeTaxAndNewJerseyCorporationBusinessTaxesTextualAbstract_12" xlink:to="loc_us-gaap_IncomeTaxesReceivableNoncurrent_13" order="0" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_IncomeTaxExpenseBenefit_14"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_IncomeTaxAndNewJerseyCorporationBusinessTaxesTextualAbstract_12" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_14" order="10" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_TaxCreditCarryforwardAmount_15"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_IncomeTaxAndNewJerseyCorporationBusinessTaxesTextualAbstract_12" xlink:to="loc_us-gaap_TaxCreditCarryforwardAmount_15" order="20" use="optional" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
<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_us-gaap_TaxCreditCarryforwardDescription_16"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_IncomeTaxAndNewJerseyCorporationBusinessTaxesTextualAbstract_12" xlink:to="loc_us-gaap_TaxCreditCarryforwardDescription_16" order="30" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
<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_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_17"/>
<presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_idt_IncomeTaxAndNewJerseyCorporationBusinessTaxesTextualAbstract_12" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_17" order="40" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
</presentationLink>
</linkbase>

Top
Filing Submission 0001213900-18-007510   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)

Copyright © 2024 Fran Finnegan & Company LLC – All Rights Reserved.
AboutPrivacyRedactionsHelp — Sun., May 5, 5:54:34.1am ET