<XBRL>
<?xml version="1.0" encoding="us-ascii" standalone="no"?>
<!--XBRL document created with Bowne Tagger XBRL Enabler by Bowne Software version 10.0.0.50-->
<!--Based on XBRL 2.1-->
<!--Created on: 8/17/2009 5:51:59 PM-->
<!--Modified on: 12/9/2010 10:07:52 PM-->
<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="dox-20100930.xsd#BalanceSheets" roleURI="http://amdocs.com/role/BalanceSheets" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#BalanceSheetsParenthetical" roleURI="http://amdocs.com/role/BalanceSheetsParenthetical" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#StatmentsOfIncome" roleURI="http://amdocs.com/role/StatmentsOfIncome" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#StatementsOfCashFlows" roleURI="http://amdocs.com/role/StatementsOfCashFlows" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#StatementsOfChangesInShareholdersEquity" roleURI="http://amdocs.com/role/StatementsOfChangesInShareholdersEquity" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#NatureOfEntity" roleURI="http://amdocs.com/role/NatureOfEntity" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#SummaryOfSignificantAccountingPolicies" roleURI="http://amdocs.com/role/SummaryOfSignificantAccountingPolicies" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#Acquisitions" roleURI="http://amdocs.com/role/Acquisitions" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#AccountsReceivableNet" roleURI="http://amdocs.com/role/AccountsReceivableNet" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#GoodwillAndIntangibleAssetsNet" roleURI="http://amdocs.com/role/GoodwillAndIntangibleAssetsNet" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#OtherNoncurrentAssets" roleURI="http://amdocs.com/role/OtherNoncurrentAssets" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#IncomeTaxes" roleURI="http://amdocs.com/role/IncomeTaxes" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#FinancingArrangements" roleURI="http://amdocs.com/role/FinancingArrangements" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#ConvertibleNotes" roleURI="http://amdocs.com/role/ConvertibleNotes" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#NoncurrentLiabilitiesAndOther" roleURI="http://amdocs.com/role/NoncurrentLiabilitiesAndOther" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#Contingencies" roleURI="http://amdocs.com/role/Contingencies" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#EmployeeBenefits" roleURI="http://amdocs.com/role/EmployeeBenefits" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#StockOptionAndIncentivePlan" roleURI="http://amdocs.com/role/StockOptionAndIncentivePlan" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#EarningsPerShare" roleURI="http://amdocs.com/role/EarningsPerShare" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#SegmentInformationAndSalesToSignificantCustomers" roleURI="http://amdocs.com/role/SegmentInformationAndSalesToSignificantCustomers" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#StatementsOfChangesInShareholdersEquityParenthetical" roleURI="http://amdocs.com/role/StatementsOfChangesInShareholdersEquityParenthetical" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#SelectedQuarterlyResultsOfOperationsUnaudited" roleURI="http://amdocs.com/role/SelectedQuarterlyResultsOfOperationsUnaudited" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#OperationalEfficiencyAndCostReductionPrograms" roleURI="http://amdocs.com/role/OperationalEfficiencyAndCostReductionPrograms" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#FairValueMeasurements" roleURI="http://amdocs.com/role/FairValueMeasurements" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#AvailableForSaleSecurities" roleURI="http://amdocs.com/role/AvailableForSaleSecurities" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#DerivativeFinancialInstruments" roleURI="http://amdocs.com/role/DerivativeFinancialInstruments" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#RepurchaseOfShares" roleURI="http://amdocs.com/role/RepurchaseOfShares" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#EquipmentAndLeaseholdImprovementsNet" roleURI="http://amdocs.com/role/EquipmentAndLeaseholdImprovementsNet" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#ValuationAndQualifyingAccounts" roleURI="http://amdocs.com/role/ValuationAndQualifyingAccounts" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#AccountsReceivableNetDetails" roleURI="http://amdocs.com/role/AccountsReceivableNetDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#AccountsReceivableNetTables" roleURI="http://amdocs.com/role/AccountsReceivableNetTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#EquipmentAndLeaseholdImprovementsNetTables" roleURI="http://amdocs.com/role/EquipmentAndLeaseholdImprovementsNetTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#EquipmentAndLeaseholdImprovementsNetDetails" roleURI="http://amdocs.com/role/EquipmentAndLeaseholdImprovementsNetDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#GoodwillAndIntangibleAssetsNetTables" roleURI="http://amdocs.com/role/GoodwillAndIntangibleAssetsNetTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#OtherNoncurrentAssetsTables" roleURI="http://amdocs.com/role/OtherNoncurrentAssetsTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#OtherNoncurrentAssetsDetails" roleURI="http://amdocs.com/role/OtherNoncurrentAssetsDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#DocumentAndEntityInformation" roleURI="http://amdocs.com/role/DocumentAndEntityInformation" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#SummaryOfSignificantAccountingPoliciesPolicies" roleURI="http://amdocs.com/role/SummaryOfSignificantAccountingPoliciesPolicies" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#SummaryOfSignificantAccountingPoliciesDetails" roleURI="http://amdocs.com/role/SummaryOfSignificantAccountingPoliciesDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#StockOptionAndIncentivePlanTables" roleURI="http://amdocs.com/role/StockOptionAndIncentivePlanTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#FairValueMeasurementTables" roleURI="http://amdocs.com/role/FairValueMeasurementTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#FairValueMeasurementDetails" roleURI="http://amdocs.com/role/FairValueMeasurementDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#AvailableForSaleSecuritiesTables" roleURI="http://amdocs.com/role/AvailableForSaleSecuritiesTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#IncomeTaxesTables" roleURI="http://amdocs.com/role/IncomeTaxesTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#IncomeTaxesDetails" roleURI="http://amdocs.com/role/IncomeTaxesDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#RepurchaseOfSharesDetails" roleURI="http://amdocs.com/role/RepurchaseOfSharesDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#FinancingArrangementsDetails" roleURI="http://amdocs.com/role/FinancingArrangementsDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#EmployeeBenefitsDetails" roleURI="http://amdocs.com/role/EmployeeBenefitsDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#EarningsPerShareTables" roleURI="http://amdocs.com/role/EarningsPerShareTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#EarningsPerShareDetails" roleURI="http://amdocs.com/role/EarningsPerShareDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#SegmentInformationAndSalesToSignificantCustomersTables" roleURI="http://amdocs.com/role/SegmentInformationAndSalesToSignificantCustomersTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#ConvertibleNotesDetails" roleURI="http://amdocs.com/role/ConvertibleNotesDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#DerivativeFinancialInstrumentsTables" roleURI="http://amdocs.com/role/DerivativeFinancialInstrumentsTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#NoncurrentLiabilitiesAndOtherTables" roleURI="http://amdocs.com/role/NoncurrentLiabilitiesAndOtherTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#NoncurrentLiabilitiesAndOtherDetails" roleURI="http://amdocs.com/role/NoncurrentLiabilitiesAndOtherDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#SelectedQuarterlyResultsOfOperationsTables" roleURI="http://amdocs.com/role/SelectedQuarterlyResultsOfOperationsTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#SelectedQuarterlyResultsOfOperationsDetails" roleURI="http://amdocs.com/role/SelectedQuarterlyResultsOfOperationsDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#ValuationAndQualifyingAccountsTables" roleURI="http://amdocs.com/role/ValuationAndQualifyingAccountsTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#ValuationAndQualifyingAccountsDetails" roleURI="http://amdocs.com/role/ValuationAndQualifyingAccountsDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#OperationalEfficiencyAndCostReductionProgramsDetails" roleURI="http://amdocs.com/role/OperationalEfficiencyAndCostReductionProgramsDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#ContingenciesDetails" roleURI="http://amdocs.com/role/ContingenciesDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#ContingenciesTables" roleURI="http://amdocs.com/role/ContingenciesTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#AvailableForSaleSecurities1Details" roleURI="http://amdocs.com/role/AvailableForSaleSecurities1Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#AvailableForSaleSecurities2Details" roleURI="http://amdocs.com/role/AvailableForSaleSecurities2Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#AvailableForSaleSecurities3Details" roleURI="http://amdocs.com/role/AvailableForSaleSecurities3Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#AvailableForSaleSecurities4Details" roleURI="http://amdocs.com/role/AvailableForSaleSecurities4Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#DerivativeFinancialInstruments1Details" roleURI="http://amdocs.com/role/DerivativeFinancialInstruments1Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#DerivativeFinancialInstruments2Details" roleURI="http://amdocs.com/role/DerivativeFinancialInstruments2Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#DerivativeFinancialInstruments3Details" roleURI="http://amdocs.com/role/DerivativeFinancialInstruments3Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#DerivativeFinancialInstruments4Details" roleURI="http://amdocs.com/role/DerivativeFinancialInstruments4Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#GoodwillAndIntangibleAssetsNet1Details" roleURI="http://amdocs.com/role/GoodwillAndIntangibleAssetsNet1Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#GoodwillAndIntangibleAssetsNet2Details" roleURI="http://amdocs.com/role/GoodwillAndIntangibleAssetsNet2Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#GoodwillAndIntangibleAssetsNet3Details" roleURI="http://amdocs.com/role/GoodwillAndIntangibleAssetsNet3Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#GoodwillAndIntangibleAssetsNet4Details" roleURI="http://amdocs.com/role/GoodwillAndIntangibleAssetsNet4Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#StockOptionAndIncentivePlan1Details" roleURI="http://amdocs.com/role/StockOptionAndIncentivePlan1Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#StockOptionAndIncentivePlan2Details" roleURI="http://amdocs.com/role/StockOptionAndIncentivePlan2Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#StockOptionAndIncentivePlan3Details" roleURI="http://amdocs.com/role/StockOptionAndIncentivePlan3Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#StockOptionAndIncentivePlan4Details" roleURI="http://amdocs.com/role/StockOptionAndIncentivePlan4Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#SegmentInformationAndSalesToSignificantCustomers1Details" roleURI="http://amdocs.com/role/SegmentInformationAndSalesToSignificantCustomers1Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#SegmentInformationAndSalesToSignificantCustomers2Details" roleURI="http://amdocs.com/role/SegmentInformationAndSalesToSignificantCustomers2Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#SegmentInformationAndSalesToSignificantCustomers3Details" roleURI="http://amdocs.com/role/SegmentInformationAndSalesToSignificantCustomers3Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#SegmentInformationAndSalesToSignificantCustomers4Details" roleURI="http://amdocs.com/role/SegmentInformationAndSalesToSignificantCustomers4Details" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#DivestitureOfSubsidiary" roleURI="http://amdocs.com/role/DivestitureOfSubsidiary" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#DivestitureOfSubsidiaryDetails" roleURI="http://amdocs.com/role/DivestitureOfSubsidiaryDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#InterestAndOtherExpenseIncomeNet" roleURI="http://amdocs.com/role/InterestAndOtherExpenseIncomeNet" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#InterestAndOtherExpenseIncomeNetTables" roleURI="http://amdocs.com/role/InterestAndOtherExpenseIncomeNetTables" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#InterestAndOtherExpenseIncomeNetDetails" roleURI="http://amdocs.com/role/InterestAndOtherExpenseIncomeNetDetails" />
  <roleRef xlink:type="simple" xlink:href="dox-20100930.xsd#ConsolidatedStatmentsOfIncomeParenthetical" roleURI="http://amdocs.com/role/ConsolidatedStatmentsOfIncomeParenthetical" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/BalanceSheets" xlink:title="0110 - Statement - Consolidated Balance Sheets">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Assets" xlink:label="loc_Assets" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_Goodwill" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_Assets" xlink:to="loc_Goodwill" order="120" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsNetNoncurrent" xlink:label="loc_DeferredTaxAssetsNetNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_Assets" xlink:to="loc_DeferredTaxAssetsNetNoncurrent" order="100" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_AssetsCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_Assets" xlink:to="loc_AssetsCurrent" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_AccountsReceivableNetCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_AssetsCurrent" xlink:to="loc_AccountsReceivableNetCurrent" order="100" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_PrepaidExpensesAndOtherCurrentAssets" xlink:label="dox_PrepaidExpensesAndOtherCurrentAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_AssetsCurrent" xlink:to="dox_PrepaidExpensesAndOtherCurrentAssets" order="80" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_DeferredIncomeTaxesAndTaxesReceivable" xlink:label="dox_DeferredIncomeTaxesAndTaxesReceivable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_AssetsCurrent" xlink:to="dox_DeferredIncomeTaxesAndTaxesReceivable" order="60" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_PropertyPlantAndEquipmentNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_Assets" xlink:to="loc_PropertyPlantAndEquipmentNet" order="80" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_LiabilitiesAndStockholdersEquity" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_Liabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_LiabilitiesAndStockholdersEquity" xlink:to="loc_Liabilities" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_OtherLiabilitiesNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_Liabilities" xlink:to="loc_OtherLiabilitiesNoncurrent" order="80" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_LiabilitiesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_Liabilities" xlink:to="loc_LiabilitiesCurrent" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredRevenueCurrent" xlink:label="loc_DeferredRevenueCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_LiabilitiesCurrent" xlink:to="loc_DeferredRevenueCurrent" order="100" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_AccruedExpensesAndOtherCurrentLiabilities" xlink:label="dox_AccruedExpensesAndOtherCurrentLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_LiabilitiesCurrent" xlink:to="dox_AccruedExpensesAndOtherCurrentLiabilities" order="80" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_CashAndCashEquivalentsAtCarryingValue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_AssetsCurrent" xlink:to="loc_CashAndCashEquivalentsAtCarryingValue" order="40" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_FiniteLivedIntangibleAssetsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_Assets" xlink:to="loc_FiniteLivedIntangibleAssetsNet" order="40" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_StockholdersEquity" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_LiabilitiesAndStockholdersEquity" xlink:to="loc_StockholdersEquity" order="20" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_AccountsPayableCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_LiabilitiesCurrent" xlink:to="loc_AccountsPayableCurrent" order="60" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_DeferredIncomeTaxesAndTaxesPayable" xlink:label="dox_DeferredIncomeTaxesAndTaxesPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_LiabilitiesCurrent" xlink:to="dox_DeferredIncomeTaxesAndTaxesPayable" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_RetainedEarningsAccumulatedDeficit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_StockholdersEquity" xlink:to="loc_RetainedEarningsAccumulatedDeficit" order="120" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_StockholdersEquity" xlink:to="loc_AccumulatedOtherComprehensiveIncomeLossNetOfTax" order="100" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_TreasuryStockValue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_StockholdersEquity" xlink:to="loc_TreasuryStockValue" order="80" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_CommonStockValue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_StockholdersEquity" xlink:to="loc_CommonStockValue" order="60" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_PreferredStockValue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_StockholdersEquity" xlink:to="loc_PreferredStockValue" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_DeferredIncomeTaxesAndTaxesPayableNoncurrent" xlink:label="dox_DeferredIncomeTaxesAndTaxesPayableNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_Liabilities" xlink:to="dox_DeferredIncomeTaxesAndTaxesPayableNoncurrent" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_OtherAssetsNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_Assets" xlink:to="loc_OtherAssetsNoncurrent" order="60" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent" xlink:label="loc_AvailableForSaleSecuritiesDebtSecuritiesCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_AssetsCurrent" xlink:to="loc_AvailableForSaleSecuritiesDebtSecuritiesCurrent" order="20" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_AccruedPersonnelCosts" xlink:label="dox_AccruedPersonnelCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_LiabilitiesCurrent" xlink:to="dox_AccruedPersonnelCosts" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_AdditionalPaidInCapital" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_StockholdersEquity" xlink:to="loc_AdditionalPaidInCapital" order="20" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LinesOfCreditCurrent" xlink:label="loc_LinesOfCreditCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_LiabilitiesCurrent" xlink:to="loc_LinesOfCreditCurrent" order="5" use="optional" weight="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/BalanceSheetsParenthetical" xlink:title="0111 - Statement - Consolidated Balance Sheets (Parenthetical)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/StatmentsOfIncome" xlink:title="0120 - Statement - Consolidated Statments of Income">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_NetIncomeLoss" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_IncomeTaxExpenseBenefit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetIncomeLoss" xlink:to="loc_IncomeTaxExpenseBenefit" order="40" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetIncomeLoss" xlink:to="loc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_OperatingIncomeLoss" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="loc_OperatingIncomeLoss" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_TotalOperatingExpense" xlink:label="dox_TotalOperatingExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OperatingIncomeLoss" xlink:to="dox_TotalOperatingExpense" order="40" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_SellingGeneralAndAdministrativeExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="dox_TotalOperatingExpense" xlink:to="loc_SellingGeneralAndAdministrativeExpense" order="80" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostOfServices" xlink:label="loc_CostOfServices" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="dox_TotalOperatingExpense" xlink:to="loc_CostOfServices" order="60" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="loc_NonoperatingIncomeExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="loc_NonoperatingIncomeExpense" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_CostOfLicense" xlink:label="dox_CostOfLicense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="dox_TotalOperatingExpense" xlink:to="dox_CostOfLicense" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost" xlink:label="loc_ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="dox_TotalOperatingExpense" xlink:to="loc_ResearchAndDevelopmentExpenseSoftwareExcludingAcquiredInProcessCost" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_TotalRevenue" xlink:label="dox_TotalRevenue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OperatingIncomeLoss" xlink:to="dox_TotalRevenue" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SalesRevenueServicesNet" xlink:label="loc_SalesRevenueServicesNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="dox_TotalRevenue" xlink:to="loc_SalesRevenueServicesNet" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_LicenseRevenue" xlink:label="dox_LicenseRevenue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="dox_TotalRevenue" xlink:to="dox_LicenseRevenue" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_AmortizationOfIntangibleAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="dox_TotalOperatingExpense" xlink:to="loc_AmortizationOfIntangibleAssets" order="5" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_RestructuringChargesAndInProcessResearchAndDevelopment" xlink:label="dox_RestructuringChargesAndInProcessResearchAndDevelopment" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="dox_TotalOperatingExpense" xlink:to="dox_RestructuringChargesAndInProcessResearchAndDevelopment" order="2.5" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/StatementsOfCashFlows" xlink:title="0140 - Statement - Consolidated Statements of Cash Flows">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_CashAndCashEquivalentsPeriodIncreaseDecrease" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_NetCashProvidedByUsedInFinancingActivities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="loc_NetCashProvidedByUsedInFinancingActivities" order="60" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_ProceedsFromStockOptionsExercised" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInFinancingActivities" xlink:to="loc_ProceedsFromStockOptionsExercised" order="140" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_NetCashProvidedByUsedInOperatingActivities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="loc_NetCashProvidedByUsedInOperatingActivities" order="40" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_IncreaseDecreaseInOtherOperatingLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="loc_IncreaseDecreaseInOtherOperatingLiabilities" order="320" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_IncreaseDecreaseInDeferredRevenue" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="loc_IncreaseDecreaseInDeferredRevenue" order="300" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_IncreaseDecreaseInOtherOperatingAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="loc_IncreaseDecreaseInOtherOperatingAssets" order="280" use="optional" weight="-1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="loc_GainLossOnSaleOfPropertyPlantEquipment" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="loc_GainLossOnSaleOfPropertyPlantEquipment" order="260" use="optional" weight="-1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="loc_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="loc_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" order="240" use="optional" weight="-1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_DeferredIncomeTaxExpenseBenefit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="loc_DeferredIncomeTaxExpenseBenefit" order="200" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_ShareBasedCompensation" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="loc_ShareBasedCompensation" order="180" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ResearchAndDevelopmentInProcess" xlink:label="loc_ResearchAndDevelopmentInProcess" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="loc_ResearchAndDevelopmentInProcess" order="160" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfConvertibleDebt" xlink:label="loc_RepaymentsOfConvertibleDebt" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInFinancingActivities" xlink:to="loc_RepaymentsOfConvertibleDebt" order="60" use="optional" weight="-1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_PaymentsForRepurchaseOfCommonStock" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInFinancingActivities" xlink:to="loc_PaymentsForRepurchaseOfCommonStock" order="40" use="optional" weight="-1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_AccountsPayableAccruedExpensesAndOtherCurrentLiabilities" xlink:label="dox_AccountsPayableAccruedExpensesAndOtherCurrentLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="dox_AccountsPayableAccruedExpensesAndOtherCurrentLiabilities" order="140" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="loc_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" order="120" use="optional" weight="-1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_NetIncomeLoss" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="loc_NetIncomeLoss" order="100" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_ChangeInAccountsReceivable" xlink:label="dox_ChangeInAccountsReceivable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="dox_ChangeInAccountsReceivable" order="60" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_ChangeInIncomeTaxesPayable" xlink:label="dox_ChangeInIncomeTaxesPayable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="dox_ChangeInIncomeTaxesPayable" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:label="loc_ProceedsFromSaleOfAvailableForSaleSecurities" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:label="loc_PaymentsToAcquireAvailableForSaleSecurities" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_PaymentsToAcquirePropertyPlantAndEquipment" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_LossGainFromShortTermInterestBearingInvestments" xlink:label="dox_LossGainFromShortTermInterestBearingInvestments" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="dox_LossGainFromShortTermInterestBearingInvestments" order="20" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_DepreciationAndAmortizationExpense" xlink:label="dox_DepreciationAndAmortizationExpense" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="dox_DepreciationAndAmortizationExpense" order="80" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_NetCashProvidedByUsedInInvestingActivities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="loc_NetCashProvidedByUsedInInvestingActivities" order="20" use="optional" weight="1" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInInvestingActivities" xlink:to="loc_ProceedsFromSaleOfAvailableForSaleSecurities" order="100" use="optional" weight="1" priority="1" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInInvestingActivities" xlink:to="loc_PaymentsToAcquireAvailableForSaleSecurities" order="80" use="optional" weight="-1" priority="1" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInInvestingActivities" xlink:to="loc_PaymentsToAcquirePropertyPlantAndEquipment" order="60" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_NetCashPaidForAcquisitions" xlink:label="dox_NetCashPaidForAcquisitions" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInInvestingActivities" xlink:to="dox_NetCashPaidForAcquisitions" order="20" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_PaymentsUnderCapitalLeaseAndShorttermFinancingArrangements" xlink:label="dox_PaymentsUnderCapitalLeaseAndShorttermFinancingArrangements" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInFinancingActivities" xlink:to="dox_PaymentsUnderCapitalLeaseAndShorttermFinancingArrangements" order="20" use="optional" weight="-1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_GainOnRepurchaseOfConvertibleNotes" xlink:label="dox_GainOnRepurchaseOfConvertibleNotes" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="dox_GainOnRepurchaseOfConvertibleNotes" order="220" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_RepurchaseOfConvertibleNotes" xlink:label="dox_RepurchaseOfConvertibleNotes" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInFinancingActivities" xlink:to="dox_RepurchaseOfConvertibleNotes" order="80" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_ProceedsFromDivestitureOfInterestInSubsidiariesAndOther" xlink:label="dox_ProceedsFromDivestitureOfInterestInSubsidiariesAndOther" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInInvestingActivities" xlink:to="dox_ProceedsFromDivestitureOfInterestInSubsidiariesAndOther" order="10" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee" xlink:label="loc_GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInOperatingActivities" xlink:to="loc_GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee" order="5" use="optional" weight="-1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_ProceedsFromLinesOfCredit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInFinancingActivities" xlink:to="loc_ProceedsFromLinesOfCredit" order="5" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_RepaymentsOfLinesOfCredit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_NetCashProvidedByUsedInFinancingActivities" xlink:to="loc_RepaymentsOfLinesOfCredit" order="2.5" use="optional" weight="-1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/StatementsOfChangesInShareholdersEquity" xlink:title="0130 - Statement - Consolidated Statements of Changes in Shareholders' Equity">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_ShareBasedCompensation" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" xlink:label="loc_StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="loc_StockIssuedDuringPeriodValueStockOptionsExercised" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_ComprehensiveIncomeNetOfTax" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ComprehensiveIncomeNetOfTax" xlink:to="loc_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" order="60" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_NetIncomeLoss" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ComprehensiveIncomeNetOfTax" xlink:to="loc_NetIncomeLoss" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease" xlink:label="loc_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ComprehensiveIncomeNetOfTax" xlink:to="loc_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecrease" order="80" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_UnrealizedGainOnShortTermInterestBearingInvestmentsNetOfTax" xlink:label="dox_UnrealizedGainOnShortTermInterestBearingInvestmentsNetOfTax" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_ComprehensiveIncomeNetOfTax" xlink:to="dox_UnrealizedGainOnShortTermInterestBearingInvestmentsNetOfTax" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="loc_TreasuryStockValueAcquiredCostMethod" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple" xlink:label="loc_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_TaxBenefitOfStockOptionsExercisedCancelled" xlink:label="dox_TaxBenefitOfStockOptionsExercisedCancelled" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/NatureOfEntity" xlink:title="0201 - Disclosure - Nature of Entity" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/SummaryOfSignificantAccountingPolicies" xlink:title="0202 - Disclosure - Summary of Significant Accounting Policies" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/Acquisitions" xlink:title="0203 - Disclosure - Acquisitions" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/AccountsReceivableNet" xlink:title="0207 - Disclosure - Accounts Receivable Net" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/GoodwillAndIntangibleAssetsNet" xlink:title="0209 - Disclosure - Goodwill and Intangible Assets, Net" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/OtherNoncurrentAssets" xlink:title="0210 - Disclosure - Other Noncurrent Assets" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/IncomeTaxes" xlink:title="0211 - Disclosure - Income Taxes" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/FinancingArrangements" xlink:title="0213 - Disclosure - Financing Arrangements" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/ConvertibleNotes" xlink:title="0214 - Disclosure - Convertible Notes" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/NoncurrentLiabilitiesAndOther" xlink:title="0215 - Disclosure - Noncurrent Liabilities and Other" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/Contingencies" xlink:title="0218 - Disclosure - Contingencies" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/EmployeeBenefits" xlink:title="0219 - Disclosure - Employee Benefits" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/StockOptionAndIncentivePlan" xlink:title="0220 - Disclosure - Stock Option and Incentive Plan" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/EarningsPerShare" xlink:title="0221 - Disclosure - Earnings Per Share" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/SegmentInformationAndSalesToSignificantCustomers" xlink:title="0222 - Disclosure - Segment Information and Sales to Significant Customers" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/StatementsOfChangesInShareholdersEquityParenthetical" xlink:title="0131 - Statement - Consolidated Statements of Changes in Shareholders' Equity (Parenthetical)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/SelectedQuarterlyResultsOfOperationsUnaudited" xlink:title="0224 - Disclosure - Selected Quarterly Results of Operations (Unaudited)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/OperationalEfficiencyAndCostReductionPrograms" xlink:title="0223 - Disclosure - Operational Efficiency and Cost Reduction Programs" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/FairValueMeasurements" xlink:title="0204 - Disclosure - Fair Value Measurements" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/AvailableForSaleSecurities" xlink:title="0205 - Disclosure - Available-For-Sale Securities" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/DerivativeFinancialInstruments" xlink:title="0206 - Disclosure - Derivative Financial Instruments" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/RepurchaseOfShares" xlink:title="0212 - Disclosure - Repurchase of Shares" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/EquipmentAndLeaseholdImprovementsNet" xlink:title="0208 - Disclosure - Equipment and Leasehold Improvements Net" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/ValuationAndQualifyingAccounts" xlink:title="0301 - Schedule - Valuation and Qualifying Accounts" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/AccountsReceivableNetDetails" xlink:title="0607 - Disclosure - Accounts Receivable, Net (Details)">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_AccountsReceivableNetCurrent" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent" xlink:label="loc_AllowanceForDoubtfulAccountsReceivableCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_AccountsReceivableNetCurrent" xlink:to="loc_AllowanceForDoubtfulAccountsReceivableCurrent" order="60" use="optional" weight="-1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_AccountsReceivableGrossCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_AccountsReceivableNetCurrent" xlink:to="loc_AccountsReceivableGrossCurrent" order="40" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnbilledContractsReceivable" xlink:label="loc_UnbilledContractsReceivable" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_AccountsReceivableNetCurrent" xlink:to="loc_UnbilledContractsReceivable" order="20" use="optional" weight="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/AccountsReceivableNetTables" xlink:title="0507 - Disclosure - Accounts Receivable, Net (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/EquipmentAndLeaseholdImprovementsNetTables" xlink:title="0508 - Disclosure - Equipment and Leasehold Improvements, Net (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/EquipmentAndLeaseholdImprovementsNetDetails" xlink:title="0608 - Disclosure - Equipment and Leasehold Improvements, Net (Details)">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_PropertyPlantAndEquipmentNet" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_PropertyPlantAndEquipmentNet" xlink:to="loc_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" order="40" use="optional" weight="-1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_PropertyPlantAndEquipmentGross" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_PropertyPlantAndEquipmentNet" xlink:to="loc_PropertyPlantAndEquipmentGross" order="20" use="optional" weight="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/GoodwillAndIntangibleAssetsNetTables" xlink:title="0509 - Disclosure - Goodwill and Intangible Assets, Net (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/OtherNoncurrentAssetsTables" xlink:title="0510 - Disclosure - Other Noncurrent Assets (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/OtherNoncurrentAssetsDetails" xlink:title="0610 - Disclosure - Other Noncurrent Assets (Details)">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_OtherAssetsNoncurrent" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherDeferredCostsNet" xlink:label="loc_OtherDeferredCostsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OtherAssetsNoncurrent" xlink:to="loc_OtherDeferredCostsNet" order="60" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_OtherAssetsMiscellaneousNonCurrent" xlink:label="dox_OtherAssetsMiscellaneousNonCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OtherAssetsNoncurrent" xlink:to="dox_OtherAssetsMiscellaneousNonCurrent" order="100" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_FundedEmployeeBenefitCosts" xlink:label="dox_FundedEmployeeBenefitCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OtherAssetsNoncurrent" xlink:to="dox_FundedEmployeeBenefitCosts" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_UnbilledContractsReceivableNoncurrent" xlink:label="dox_UnbilledContractsReceivableNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OtherAssetsNoncurrent" xlink:to="dox_UnbilledContractsReceivableNoncurrent" order="20" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/DocumentAndEntityInformation" xlink:title="00 - Document - Document and Entity Information" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:title="0402 - Disclosure - Summary of Significant Accounting Policies (Policies)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:title="0602 - Disclosure - Summary of Significant Accounting Policies (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/StockOptionAndIncentivePlanTables" xlink:title="0520 - Disclosure - Stock Option and Incentive Plan (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/FairValueMeasurementTables" xlink:title="0504 - Disclosure - Fair Value Measurement (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/FairValueMeasurementDetails" xlink:title="0604 - Disclosure - Fair Value Measurement (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/AvailableForSaleSecuritiesTables" xlink:title="0505 - Disclosure - Available-For-Sale Securities (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/IncomeTaxesTables" xlink:title="0511 - Disclosure - Income Taxes (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/IncomeTaxesDetails" xlink:title="0611 - Disclosure - Income Taxes (Details)">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_IncomeTaxExpenseBenefit" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="loc_CurrentIncomeTaxExpenseBenefit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_IncomeTaxExpenseBenefit" xlink:to="loc_CurrentIncomeTaxExpenseBenefit" order="20" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="loc_DeferredTaxAssetsLiabilitiesNet" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxLiabilities" xlink:label="loc_DeferredTaxLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxAssetsLiabilitiesNet" xlink:to="loc_DeferredTaxLiabilities" order="40" use="optional" weight="-1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther" xlink:label="loc_DeferredTaxLiabilitiesOther" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxLiabilities" xlink:to="loc_DeferredTaxLiabilitiesOther" order="80" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="loc_DeferredTaxAssetsNet" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxAssetsLiabilitiesNet" xlink:to="loc_DeferredTaxAssetsNet" order="20" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="loc_DeferredTaxAssetsValuationAllowance" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxAssetsNet" xlink:to="loc_DeferredTaxAssetsValuationAllowance" order="40" use="optional" weight="-1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="loc_DeferredTaxAssetsGross" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxAssetsNet" xlink:to="loc_DeferredTaxAssetsGross" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsOther" xlink:label="loc_DeferredTaxAssetsOther" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="loc_DeferredTaxAssetsOperatingLossCarryforwards" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" xlink:label="loc_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsDeferredIncome" xlink:label="loc_DeferredTaxAssetsDeferredIncome" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="loc_EffectiveIncomeTaxRateContinuingOperations" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" xlink:label="loc_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_EffectiveIncomeTaxRateContinuingOperations" xlink:to="loc_EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential" order="40" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="loc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_EffectiveIncomeTaxRateContinuingOperations" xlink:to="loc_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" order="20" use="optional" weight="1" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxAssetsGross" xlink:to="loc_DeferredTaxAssetsOther" order="100" use="optional" weight="1" priority="1" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxAssetsGross" xlink:to="loc_DeferredTaxAssetsOperatingLossCarryforwards" order="80" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_DeferredTaxAssetsIntangibleAssetsComputerSoftwareAndIntellectualProperty" xlink:label="dox_DeferredTaxAssetsIntangibleAssetsComputerSoftwareAndIntellectualProperty" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxAssetsGross" xlink:to="dox_DeferredTaxAssetsIntangibleAssetsComputerSoftwareAndIntellectualProperty" order="60" use="optional" weight="1" priority="1" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxAssetsGross" xlink:to="loc_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" order="40" use="optional" weight="1" priority="1" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxAssetsGross" xlink:to="loc_DeferredTaxAssetsDeferredIncome" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings" xlink:label="loc_DeferredTaxLiabilitiesUndistributedForeignEarnings" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxLiabilities" xlink:to="loc_DeferredTaxLiabilitiesUndistributedForeignEarnings" order="20" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" xlink:label="loc_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxLiabilities" xlink:to="loc_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" order="40" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_DeferredTaxLiabilitiesManagedServicesCosts" xlink:label="dox_DeferredTaxLiabilitiesManagedServicesCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_DeferredTaxLiabilities" xlink:to="dox_DeferredTaxLiabilitiesManagedServicesCosts" order="60" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_DeferredIncomeTaxesExpenseBenefit" xlink:label="dox_DeferredIncomeTaxesExpenseBenefit" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_IncomeTaxExpenseBenefit" xlink:to="dox_DeferredIncomeTaxesExpenseBenefit" order="10" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/RepurchaseOfSharesDetails" xlink:title="0612 - Disclosure - Repurchase of Shares (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/FinancingArrangementsDetails" xlink:title="0613 - Disclosure - Financing Arrangements (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/EmployeeBenefitsDetails" xlink:title="0619 - Disclosure - Employee Benefits (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/EarningsPerShareTables" xlink:title="0521 - Disclosure - Earnings Per Share (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/EarningsPerShareDetails" xlink:title="0621 - Disclosure - Earnings Per Share (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/SegmentInformationAndSalesToSignificantCustomersTables" xlink:title="0522 - Disclosure - Segment Information and Sales to Significant Customers (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/ConvertibleNotesDetails" xlink:title="0614 - Disclosure - Convertible Notes (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/DerivativeFinancialInstrumentsTables" xlink:title="0506 - Disclosure - Derivative Financial Instruments (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/NoncurrentLiabilitiesAndOtherTables" xlink:title="0515 - Disclosure - Noncurrent Liabilities and Other (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/NoncurrentLiabilitiesAndOtherDetails" xlink:title="0615 - Disclosure - Noncurrent Liabilities and Other (Details)">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_OtherLiabilitiesNoncurrent" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherNoncurrentLiabilities" xlink:label="loc_OtherNoncurrentLiabilities" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OtherLiabilitiesNoncurrent" xlink:to="loc_OtherNoncurrentLiabilities" order="120" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredRevenueNoncurrent" xlink:label="loc_DeferredRevenueNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OtherLiabilitiesNoncurrent" xlink:to="loc_DeferredRevenueNoncurrent" order="40" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_AccruedEmployeesCosts" xlink:label="dox_AccruedEmployeesCosts" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OtherLiabilitiesNoncurrent" xlink:to="dox_AccruedEmployeesCosts" order="20" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent" xlink:label="loc_DefinedBenefitPensionPlanLiabilitiesNoncurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OtherLiabilitiesNoncurrent" xlink:to="loc_DefinedBenefitPensionPlanLiabilitiesNoncurrent" order="60" use="optional" weight="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/SelectedQuarterlyResultsOfOperationsTables" xlink:title="0524 - Disclosure - Selected Quarterly Results of Operations (Unaudited) (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/SelectedQuarterlyResultsOfOperationsDetails" xlink:title="0624 - Disclosure - Selected Quarterly Results of Operations (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/ValuationAndQualifyingAccountsTables" xlink:title="0525 - Schedule - Valuation and Qualifying Accounts (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/ValuationAndQualifyingAccountsDetails" xlink:title="0701 - Schedule - Valuation and Qualifying Accounts (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/OperationalEfficiencyAndCostReductionProgramsDetails" xlink:title="0623 - Disclosure - Operational Efficiency and Cost Reduction Programs (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/ContingenciesDetails" xlink:title="0618 - Disclosure - Contingencies (Details)">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="loc_OperatingLeasesFutureMinimumPaymentsDue" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="loc_OperatingLeasesFutureMinimumPaymentsDueThereafter" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="loc_OperatingLeasesFutureMinimumPaymentsDueThereafter" order="120" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="loc_OperatingLeasesFutureMinimumPaymentsDueInFourYears" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="loc_OperatingLeasesFutureMinimumPaymentsDueInFourYears" order="80" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="loc_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="loc_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" order="60" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="loc_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="loc_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" order="40" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="loc_OperatingLeasesFutureMinimumPaymentsDueCurrent" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_OperatingLeasesFutureMinimumPaymentsDue" xlink:to="loc_OperatingLeasesFutureMinimumPaymentsDueCurrent" order="20" use="optional" weight="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/ContingenciesTables" xlink:title="0518 - Disclosure - Contingencies (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/AvailableForSaleSecurities1Details" xlink:title="06051 - Disclosure - Available For Sale Securities 1 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/AvailableForSaleSecurities2Details" xlink:title="06052 - Disclosure - Available For Sale Securities 2 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/AvailableForSaleSecurities3Details" xlink:title="06053 - Disclosure - Available For Sale Securities 3 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/AvailableForSaleSecurities4Details" xlink:title="06054 - Disclosure - Available For Sale Securities 4 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/DerivativeFinancialInstruments1Details" xlink:title="06061 - Disclosure - Derivative Financial Instruments 1 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/DerivativeFinancialInstruments2Details" xlink:title="06062 - Disclosure - Derivative Financial Instruments 2 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/DerivativeFinancialInstruments3Details" xlink:title="06063 - Disclosure - Derivative Financial Instruments 3 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/DerivativeFinancialInstruments4Details" xlink:title="06064 - Disclosure - Derivative Financial Instruments 4 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/GoodwillAndIntangibleAssetsNet1Details" xlink:title="06091 - Disclosure - Goodwill and Intangible Assets, Net 1 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/GoodwillAndIntangibleAssetsNet2Details" xlink:title="06092 - Disclosure - Goodwill and Intangible Assets, Net 2 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/GoodwillAndIntangibleAssetsNet3Details" xlink:title="06093 - Disclosure - Goodwill and Intangible Assets, Net 3 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/GoodwillAndIntangibleAssetsNet4Details" xlink:title="06094 - Disclosure - Goodwill and Intangible Assets, Net 4 (Details)">
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpense" xlink:label="loc_FiniteLivedIntangibleAssetsFutureAmortizationExpense" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearOne" xlink:label="loc_FutureAmortizationExpenseYearOne" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_FiniteLivedIntangibleAssetsFutureAmortizationExpense" xlink:to="loc_FutureAmortizationExpenseYearOne" order="120" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearTwo" xlink:label="loc_FutureAmortizationExpenseYearTwo" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_FiniteLivedIntangibleAssetsFutureAmortizationExpense" xlink:to="loc_FutureAmortizationExpenseYearTwo" order="100" use="optional" weight="1" priority="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearThree" xlink:label="loc_FutureAmortizationExpenseYearThree" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_FiniteLivedIntangibleAssetsFutureAmortizationExpense" xlink:to="loc_FutureAmortizationExpenseYearThree" order="80" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFour" xlink:label="loc_FutureAmortizationExpenseYearFour" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_FiniteLivedIntangibleAssetsFutureAmortizationExpense" xlink:to="loc_FutureAmortizationExpenseYearFour" order="60" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFive" xlink:label="loc_FutureAmortizationExpenseYearFive" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_FiniteLivedIntangibleAssetsFutureAmortizationExpense" xlink:to="loc_FutureAmortizationExpenseYearFive" order="40" use="optional" weight="1" />
    <loc xlink:type="locator" xlink:href="dox-20100930.xsd#dox_FutureAmortizationExpenseAfterYearFive" xlink:label="dox_FutureAmortizationExpenseAfterYearFive" />
    <calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_FiniteLivedIntangibleAssetsFutureAmortizationExpense" xlink:to="dox_FutureAmortizationExpenseAfterYearFive" order="20" use="optional" weight="1" priority="1" />
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/StockOptionAndIncentivePlan1Details" xlink:title="06201 - Disclosure - Stock Option and Incentive Plan 1 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/StockOptionAndIncentivePlan2Details" xlink:title="06202 - Disclosure - Stock Option and Incentive Plan 2 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/StockOptionAndIncentivePlan3Details" xlink:title="06203 - Disclosure - Stock Option and Incentive Plan 3 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/StockOptionAndIncentivePlan4Details" xlink:title="06204 - Disclosure - Stock Option and Incentive Plan 4 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/SegmentInformationAndSalesToSignificantCustomers1Details" xlink:title="06222 - Disclosure - Segment Information and Sales to Significant Customers 1 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/SegmentInformationAndSalesToSignificantCustomers2Details" xlink:title="06222 - Disclosure - Segment Information and Sales to Significant Customers 2 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/SegmentInformationAndSalesToSignificantCustomers3Details" xlink:title="06223 - Disclosure - Segment Information and Sales to Significant Customers 3 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/SegmentInformationAndSalesToSignificantCustomers4Details" xlink:title="06224 - Disclosure - Segment Information and Sales to Significant Customers 4 (Details)">
  </calculationLink>
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/DivestitureOfSubsidiary" xlink:title="0217 - Disclosure - Divestiture of a Subsidiary" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/DivestitureOfSubsidiaryDetails" xlink:title="0617 - Disclosure - Divestiture of a Subsidiary (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/InterestAndOtherExpenseIncomeNet" xlink:title="0216 - Disclosure - Interest and other (expense) income, net" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/InterestAndOtherExpenseIncomeNetTables" xlink:title="0516 - Disclosure - Interest and other (expense) income, net (Tables)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/InterestAndOtherExpenseIncomeNetDetails" xlink:title="0616 - Disclosure - Interest and other (expense) income, net (Details)" />
  <calculationLink xlink:type="extended" xlink:role="http://amdocs.com/role/ConsolidatedStatmentsOfIncomeParenthetical" xlink:title="0120 - Statement - Consolidated Statments of Income (Parenthetical)">
  </calculationLink>
</linkbase>
</XBRL>
