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  <xsd:element id="idt_AccruedProceedsFromMilestone" name="AccruedProceedsFromMilestone" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="idt_AdjustmentsToAdditionalPaidInCapitalCommonStockPurchasedFromEmployees" name="AdjustmentsToAdditionalPaidInCapitalCommonStockPurchasedFromEmployees" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="idt_AdjustmentsToAdditionalPaidInCapitalDistributionToNoncontrollingInterest" name="AdjustmentsToAdditionalPaidInCapitalDistributionToNoncontrollingInterest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="idt_AdjustmentsToAdditionalPaidInCapitalExchangeOfStock" name="AdjustmentsToAdditionalPaidInCapitalExchangeOfStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="idt_AggerateOperatingLeaseLiabilityTableTextBlock" name="AggerateOperatingLeaseLiabilityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_AmortizationOfEquityMethodInvestments" name="AmortizationOfEquityMethodInvestments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_BossMoneyMember" name="BossMoneyMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_BossRevolutionMember" name="BossRevolutionMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_CashIssuedWithCommonStock" name="CashIssuedWithCommonStock" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_CertainEmployeesMember" name="CertainEmployeesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_CertainExecutiveOfficersMember" name="CertainExecutiveOfficersMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_ClassAAndClassBCommonStockMember" name="ClassAAndClassBCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_ClassBCommonStockMember" name="ClassBCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_CommunicationCompanyEquityMethodInvesteeMember" name="CommunicationCompanyEquityMethodInvesteeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_ComputerSoftwareMember" name="ComputerSoftwareMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_ContingentConsiderationLiabilityWriteOff" name="ContingentConsiderationLiabilityWriteOff" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_ConversionOfNrsSharesIntoClassBCommonStockMember" name="ConversionOfNrsSharesIntoClassBCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_ConversionOfNrsSharesIntoIdtClassBCommonStockMember" name="ConversionOfNrsSharesIntoIdtClassBCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_ConversionOfVisaSeriesAPreferredStockIntoVisaSeriesACommonStockMember" name="ConversionOfVisaSeriesAPreferredStockIntoVisaSeriesACommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_CtmMediaGroupMember" name="CtmMediaGroupMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_DeferredStockUnitsCertainQualifiedHoldersMember" name="DeferredStockUnitsCertainQualifiedHoldersMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_DeferredStockUnitsDsusMember" name="DeferredStockUnitsDsusMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_DeferredStockUnitsMember" name="DeferredStockUnitsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_DeferredTaxAssetsUnrealizedGain" name="DeferredTaxAssetsUnrealizedGain" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="idt_DefinedBenefitPlansMatchingContributionVestingPeriod" name="DefinedBenefitPlansMatchingContributionVestingPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_DisbursementPaymentsVieMember" name="DisbursementPaymentsVieMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_DisbursementPrefunding" name="DisbursementPrefunding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="idt_DisbursementPrefundingPolicyTextBlock" name="DisbursementPrefundingPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_EffectiveIncomeTaxRateReconciliationCancellationOfDebtExclusionAmount" name="EffectiveIncomeTaxRateReconciliationCancellationOfDebtExclusionAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="idt_EffectiveIncomeTaxRateReconciliationCancellationOfDebtExclusionPercent" name="EffectiveIncomeTaxRateReconciliationCancellationOfDebtExclusionPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_EffectiveIncomeTaxRateReconciliationRevaluationOfExistingForeignAttributesAmount" name="EffectiveIncomeTaxRateReconciliationRevaluationOfExistingForeignAttributesAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="idt_EffectiveIncomeTaxRateReconciliationTaxCreditAmount1" name="EffectiveIncomeTaxRateReconciliationTaxCreditAmount1" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="idt_EffectiveIncomeTaxRateReconciliationTaxCreditPercent1" name="EffectiveIncomeTaxRateReconciliationTaxCreditPercent1" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_EquipmentsMember" name="EquipmentsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_EquityInterestInPrivatelyOwnedIsraeliCompanyMember" name="EquityInterestInPrivatelyOwnedIsraeliCompanyMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_EquityInvestmentPolicyPolicyTextBlock" name="EquityInvestmentPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_EquityMethodInvesteeRevolvingCreditAgreementMember" name="EquityMethodInvesteeRevolvingCreditAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_EquitySecuritiesAcquiredDuringPeriodContingentPayable" name="EquitySecuritiesAcquiredDuringPeriodContingentPayable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="idt_EquitySecuritiesWithoutReadilyDeterminableFairValueAdjustmentsForObservableTransactionsInvolvingSimilarInvestmentsFromTheSameIssuerAnnualAmount" name="EquitySecuritiesWithoutReadilyDeterminableFairValueAdjustmentsForObservableTransactionsInvolvingSimilarInvestmentsFromTheSameIssuerAnnualAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="idt_EquitySecuritiesWithoutReadilyDeterminableFairValueRedemptionForMandatoryReleaseAssessment" name="EquitySecuritiesWithoutReadilyDeterminableFairValueRedemptionForMandatoryReleaseAssessment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="idt_EquitySecuritiesWithoutReadilyDeterminableFairValueRedemptionOfEquitySecuritiesAnnualAmount" name="EquitySecuritiesWithoutReadilyDeterminableFairValueRedemptionOfEquitySecuritiesAnnualAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_ExecutiveOfficersAndOtherEmployeesMember" name="ExecutiveOfficersAndOtherEmployeesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_FintechMember" name="FintechMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_FiveLargestCustomerMember" name="FiveLargestCustomerMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_FullyDilutedMinorityInterestOwnershipPercentageParent" name="FullyDilutedMinorityInterestOwnershipPercentageParent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="instant"/>
  <xsd:element id="idt_GainOnContingentConsiderationLiabilityWriteoff" name="GainOnContingentConsiderationLiabilityWriteoff" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_GenieEnergyMember" name="GenieEnergyMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_HowardAndShmuelJonasMember" name="HowardAndShmuelJonasMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_IdtDigitalPaymentsMember" name="IdtDigitalPaymentsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_IdtFinancialServicesGibraltarMember" name="IdtFinancialServicesGibraltarMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_IdtGlobalMember" name="IdtGlobalMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_IdtServicesMaltaMember" name="IdtServicesMaltaMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_IncreaseDecreaseInCustomerFundsDeposits" name="IncreaseDecreaseInCustomerFundsDeposits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="idt_IncreaseDecreaseInSettlementAssetsAndDisbursementPrefunding" name="IncreaseDecreaseInSettlementAssetsAndDisbursementPrefunding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_InterestExpensesMember" name="InterestExpensesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_InternalUseSoftwareMember" name="InternalUseSoftwareMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_InvestmentSharesAcquired" name="InvestmentSharesAcquired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_InvestmentsAdditionalSharesAbleToPurchase" name="InvestmentsAdditionalSharesAbleToPurchase" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_InvestmentsAdditionalSharesAcquired" name="InvestmentsAdditionalSharesAcquired" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_JonasMediaGroupMember" name="JonasMediaGroupMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_LawsuitWithJds1Member" name="LawsuitWithJds1Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_LeaseInBronxNewYorkMember" name="LeaseInBronxNewYorkMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_LeverageRatio" name="LeverageRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_LongTermEquityInvestmentFairValueDisclosure" name="LongTermEquityInvestmentFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="idt_MasonAndCompanyConsultingMember" name="MasonAndCompanyConsultingMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_NationalRetailSolutionsMember" name="NationalRetailSolutionsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_Net2phone20AndNationalRetailSolutionsCommonStockMember" name="Net2phone20AndNationalRetailSolutionsCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_Net2phone20Member" name="Net2phone20Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_Net2phoneMember" name="Net2phoneMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_NonVestedRestrictedCommonStockMember" name="NonVestedRestrictedCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_NoteToFinancialStatementDetailsTextual" name="NoteToFinancialStatementDetailsTextual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_NotesToFinancialStatements" name="NotesToFinancialStatements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_NrsAndZedgeMember" name="NrsAndZedgeMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_NrsClassBCommonStockMember" name="NrsClassBCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_NrsDsuMember" name="NrsDsuMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_NrsMember" name="NrsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_NrsOnCoreMember" name="NrsOnCoreMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_NumberOfLargestCustomers" name="NumberOfLargestCustomers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_O2024Q1DividendsMember" name="O2024Q1DividendsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_O2025Q1DividendsMember" name="O2025Q1DividendsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_O2026Q2DividendsMember" name="O2026Q2DividendsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_O2026Q3DividendsMember" name="O2026Q3DividendsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_OncoreDigitalIncMember" name="OncoreDigitalIncMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_OperatingLeaseAnnualRent" name="OperatingLeaseAnnualRent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="idt_OperatingLossCarryforwardsNotSubjectToExpiration" name="OperatingLossCarryforwardsNotSubjectToExpiration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element id="idt_OperatingLossCarryforwardsSubjectToExpiration" name="OperatingLossCarryforwardsSubjectToExpiration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="idt_OtherForeignTaxAuthoritiesMember" name="OtherForeignTaxAuthoritiesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_OtherIncomeExpense" name="OtherIncomeExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_OtherMarketableEquitySecuritiesMember" name="OtherMarketableEquitySecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_OtherMember" name="OtherMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_OtherOperatingExpenseNetMember" name="OtherOperatingExpenseNetMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_OtherSegmentItems" name="OtherSegmentItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_OtherStateTaxAuthoritiesMember" name="OtherStateTaxAuthoritiesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_OtherTaxAuthoritiesMember" name="OtherTaxAuthoritiesMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_PaymentsToAcquireEquityInvestmentWithoutReadilyDeterminableFairValue" name="PaymentsToAcquireEquityInvestmentWithoutReadilyDeterminableFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="idt_PaymentsToAcquireEquityInvestmentsWithoutReadilyDeterminableFairValue" name="PaymentsToAcquireEquityInvestmentsWithoutReadilyDeterminableFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="idt_PaymentsToAcquireNotesReceivableFromEquityMethodInvestment" name="PaymentsToAcquireNotesReceivableFromEquityMethodInvestment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="idt_PercentOfOutstandingCapitalStock" name="PercentOfOutstandingCapitalStock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element id="idt_PercentOfOutstandingShares" name="PercentOfOutstandingShares" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element id="idt_PercentOfOutstandingSharesDilutedBasis" name="PercentOfOutstandingSharesDilutedBasis" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element id="idt_PercentageOfMarketPriceRelativeToGrantPrice" name="PercentageOfMarketPriceRelativeToGrantPrice" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_PercentageOfOutstandingStock" name="PercentageOfOutstandingStock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_PerformanceBondsOutstanding" name="PerformanceBondsOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="idt_PolicyTable" name="PolicyTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element id="idt_PropertyPlantAndEquipmentIncludingAdditionalLonglivedAssets" name="PropertyPlantAndEquipmentIncludingAdditionalLonglivedAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
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  <xsd:element abstract="true" id="idt_RafaelHoldingsIncClassBCommonStockMember" name="RafaelHoldingsIncClassBCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
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  <xsd:element abstract="true" id="idt_statement-statement-note-4-revenue-recognition-revenues-by-geographic-region-details" name="statement-statement-note-4-revenue-recognition-revenues-by-geographic-region-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-4-revenue-recognition-schedule-of-contract-liability-details" name="statement-statement-note-4-revenue-recognition-schedule-of-contract-liability-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-4-revenue-recognition-schedule-of-remaining-performance-obligations-2-details" name="statement-statement-note-4-revenue-recognition-schedule-of-remaining-performance-obligations-2-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-4-revenue-recognition-schedule-of-remaining-performance-obligations-details" name="statement-statement-note-4-revenue-recognition-schedule-of-remaining-performance-obligations-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-4-revenue-recognition-schedule-of-remaining-performance-obligations-details-parentheticals" name="statement-statement-note-4-revenue-recognition-schedule-of-remaining-performance-obligations-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-4-revenue-recognition-tables" name="statement-statement-note-4-revenue-recognition-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-5-leases-aggregate-operating-lease-liability-details" name="statement-statement-note-5-leases-aggregate-operating-lease-liability-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-5-leases-aggregate-operating-lease-liability-details-parentheticals" name="statement-statement-note-5-leases-aggregate-operating-lease-liability-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-5-leases-lease-costs-details" name="statement-statement-note-5-leases-lease-costs-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-5-leases-schedule-of-operating-lease-liability-maturity-details" name="statement-statement-note-5-leases-schedule-of-operating-lease-liability-maturity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-5-leases-tables" name="statement-statement-note-5-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-6-cash-cash-equivalents-and-restricted-cash-and-cash-equivalents-schedule-of-cash-cash-equivalents-and-restricted-cash-details" name="statement-statement-note-6-cash-cash-equivalents-and-restricted-cash-and-cash-equivalents-schedule-of-cash-cash-equivalents-and-restricted-cash-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-6-cash-cash-equivalents-and-restricted-cash-and-cash-equivalents-tables" name="statement-statement-note-6-cash-cash-equivalents-and-restricted-cash-and-cash-equivalents-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-7-debt-securities-schedule-of-availableforsale-debt-securities-details" name="statement-statement-note-7-debt-securities-schedule-of-availableforsale-debt-securities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-7-debt-securities-schedule-of-debt-security-maturity-details" name="statement-statement-note-7-debt-securities-schedule-of-debt-security-maturity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-7-debt-securities-schedule-of-unrealized-loss-position-details" name="statement-statement-note-7-debt-securities-schedule-of-unrealized-loss-position-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-7-debt-securities-tables" name="statement-statement-note-7-debt-securities-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-8-equity-investments-equity-investments-details" name="statement-statement-note-8-equity-investments-equity-investments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-8-equity-investments-equity-investments-details-parentheticals" name="statement-statement-note-8-equity-investments-equity-investments-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-8-equity-investments-equity-securities-without-readily-determined-fair-value-details" name="statement-statement-note-8-equity-investments-equity-securities-without-readily-determined-fair-value-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-8-equity-investments-schedule-of-equity-method-investments-details" name="statement-statement-note-8-equity-investments-schedule-of-equity-method-investments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-8-equity-investments-schedule-of-unrealized-gain-loss-for-equity-method-investments-details" name="statement-statement-note-8-equity-investments-schedule-of-unrealized-gain-loss-for-equity-method-investments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-8-equity-investments-tables" name="statement-statement-note-8-equity-investments-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-9-fair-value-measurements-schedule-of-assets-and-liabilities-measured-at-fair-value-details" name="statement-statement-note-9-fair-value-measurements-schedule-of-assets-and-liabilities-measured-at-fair-value-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-9-fair-value-measurements-schedule-of-assets-measured-details" name="statement-statement-note-9-fair-value-measurements-schedule-of-assets-measured-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-9-fair-value-measurements-schedule-of-assets-measured-details-parentheticals" name="statement-statement-note-9-fair-value-measurements-schedule-of-assets-measured-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-9-fair-value-measurements-schedule-of-liabilities-measured-details" name="statement-statement-note-9-fair-value-measurements-schedule-of-liabilities-measured-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-9-fair-value-measurements-schedule-of-liabilities-measured-details-parentheticals" name="statement-statement-note-9-fair-value-measurements-schedule-of-liabilities-measured-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-note-9-fair-value-measurements-tables" name="statement-statement-note-9-fair-value-measurements-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="idt_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
