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2015CiscoSystems,Inc.
Allrightsreserved.
1CCAEnterpriseDeploymentGuidelinesRevision:CreationDate:LastSaved:CCAEnterpriseDeploymentGuidelines2015CiscoSystems,Inc.
Allrightsreserved.
2TABLEOFCONTENTSTABLEOFCONTENTS.
21Introduction.
32CCAEnterpriseConfigurations.
42.
1PureCCAConfiguration.
42.
2HybridCCAConfiguration.
53CCAHybridConfigurationsthatareNOTsupported73.
1CallForwardingtoWebExPSTNnumbersisnotsupported.
73.
2UseofsameWebExdial-innumberforbothoff-netoverWebExPSTNandon-netoverCCAlinksisnotsupported.
83.
3UsercallsthelocalincountrynumberandcustomerCUCMcallsWebExPSTNnumberinanearbycountry.
93.
4Intelligentcallbackrouting–Alloff-netcallbackoverWebExPSTNandallon-netcallbacksoverCCA-isnotsupportedatthemoment(undertrial)94PotentialWorkarounds.
114.
1Callforwardingtocustomer'sownPSTNnumber.
114.
2DialWebExtollnumberinanearbycountry.
124.
3CustomerCUCMcallsWebExPSTNnumberifCCAcallfails.
122015CiscoSystems,Inc.
Allrightsreserved.
31IntroductionTheobjectiveofthisdocumentistoprovideaclearguidancetoimplementationteams,CiscoAdvancedServicesorqualifiedUCpartners,ontheconfigurationsonCCAEnterprisearchitecturethataresupportedandtheonesthatarenotsupported.
Itisimportanttogetagoodunderstandingofdifferentconfigurationinordertosetrightexpectationwiththecustomer.
Theaudienceofthisdocumentisbothinternalandexternal.
Internalaudienceincludes,CloudOperationsandAudioVideoOperations(AVOPs)team,WebExTSandonboardingteam.
ExternalaudienceincludesCiscoAdvancedservicesandqualifiedCCAimplementationUCpartners.
2015CiscoSystems,Inc.
Allrightsreserved.
42CCAEnterpriseConfigurationsTherearetwoprimaryconfigurationsthataresupportedonCCA.
2.
1PureCCAConfigurationThisconfigurationimbibesthetruespiritofCCAarchitecture,whichleveragescustomer'sIPWANnetworktothefullestandusesWebExcloudbasedaudioconferencingplatform.
Customerprovidestheglobalaudioconferencingphonenumbersandcarriesaudioconferencingtrafficoveritsownnetworkfrombothon-net,trafficoriginatingfromorterminatingtoendpointswithincustomer'sWANnetworkandoff-net,trafficfromendpointsoutsidecustomer'sWANnetwork,endpoints.
InthisconfigurationcustomerdoesnotleverageanyWebExPSTNconnectivity.
Thekeycalloutsare:oCustomerownstheentiresetofaudioconferencingphonenumbersoCustomercarriesallcallbacktrafficaswelloTheaudioconferencingcoverageisdeterminedbycustomer'sfootprintDiagram1:PureCCAConfiguration2015CiscoSystems,Inc.
Allrightsreserved.
52.
2HybridCCAConfigurationThisconfigurationissimilartopureCCAconfigurationasdescribedabove,butalsogivestheflexibilitytocustomertoleverageWebExPSTNfootprint.
CustomercanchoosetoleverageWebExPSTNdial-innumbersalongwithcustomer'sownaudioconferencingphonenumbers.
CustomercanalsochoosetoleverageWebExPSTNforcallbacks.
Belowarethekeyhighlights:oCustomercanchoosetohavebothCCAandWebExPSTNaudioonsingleWebExsite.
oThereareseparateSKUsforCCAPortsandWebExPSTNAudiominutes.
CustomermustpurchaseWebExPSTNaudioSKUsalongwithCCAportstoleverageWebExPSTNminuteswithCCA.
oCCAwillbebilledbasedonportsandusageonWebExPSTNnumberswillbebilledbyminutesoCustomersmustreviewandagreewithexistingWebExPSTNfootprintCCAHybridsolutionprovidesflexibilitytocustomertouseWebExPSTNnumbersincountrieswhereitdoesnothaveIPnetworkandthereforecannotleverageCCAarchitecture.
IntheexamplebelowcustomerdoesnothaveIPtelephonyinUK.
Diagram2:HybridCCACallFlow2015CiscoSystems,Inc.
Allrightsreserved.
6ThereareseveralvariationsofHybridCCAConfigurationthatarenotsupported.
Itisimportanttounderstandthesevariationstosettherightexpectationwiththecustomer.
Theseconfigurationsarecoveredinthenextchapter.
2015CiscoSystems,Inc.
Allrightsreserved.
73CCAHybridConfigurationsthatareNOTsupported3.
1CallForwardingtoWebExPSTNnumbersisnotsupportedThereareacoupleofusecaseswhereCCAEnterprisecustomersrequestcallforwarding.
UseCase1:Onmanyoccasions,customersrequesttheuseWebExPSTNfootprintasashort-termsolutionbeforetheycanimplementtheCCAsolution.
Indoingso,therewillbeachangeinphonenumbersascustomerwillneedtomigratefromWebExprovidedconferencingphonenumbersaspartofWebExaudiosolutiontotheirownphonenumberswhichareprovisionedaspartofCCAsolution.
Inordertoavoidthischange,customersrequesttohavetheirownCCAnumbersbeforwardedtoWebExPSTNnumbers.
Thisisnotsupported.
CustomermustuseWebexPSTNnumbersifusingWebExPSTNaudioandmanagethenumberchangewhenmovingtoCCAthroughcommunicationandtraining.
UseCase2:CustomermayrequesttousecallforwardingfromacountrywhereWebExdoesnothavedial-innumbers.
Theaskistypicallytousealocalin-countrynumberprocuredbythecustomerandthenhaveitforwardedtooneoftheWebExPSTNnumbers.
Thisisnotsupported.
Refertosection4.
1forpotentialworkaroundforthisscenario.
2015CiscoSystems,Inc.
Allrightsreserved.
8Diagram3:CallforwardingcallflowasdescribedhereisnotsupportedCiscodoesnotsupportCallForwardingfromcustomer'sCCAphonenumbertoWebExPSTNnumberasitpreventsCiscototroubleshootcustomercomplaints,callqualityissuesduetolackofconnectionorimproperpropagationofDTMFtones.
3.
2UseofsameWebExdial-innumberforbothoff-netoverWebExPSTNandon-netoverCCAlinksisnotsupportedThisisascenariowherecustomerwantstoleveragesameWebExdialinnumberforbothoff-netandon-netuser.
Foroff-netuser,callwillgooverWebExPSTNandWebExwillreceiveWebExPSTNDNIS.
Foron-netuser,customer'sCUCMwillre-routethecalltoWebExoverCCAlinksandsendCCADNIS.
ThisscenarioisnolongersupportedasWebExphonenumbersarenotdedicatedtoanycustomerandtherefore,CCAcustomerwillrunintoissuesinjoininganothercustomer'sWebExmeetinghostedonsameclusterasCCAcustomer'susingtheWebExdialinnumber.
Customerwouldneedtoconfigureseparatedial-innumbers,aWebExPSTNnumberforoff-netusersandCCAnumberforon-netusers.
CustomercanalsochoosetouseonlyCCAdial-innumberforbothoff-netandon-netuser.
Diagram4:Callflowasdescribedaboveisnotsupported2015CiscoSystems,Inc.
Allrightsreserved.
93.
3UsercallsthelocalincountrynumberandcustomerCUCMcallsWebExPSTNnumberinanearbycountryCustomersgenerallyrequestthiscallflowwhereWebExdoesnothaveadial-infootprint.
Inthiscallflow,customer'senduserdialsthein-countrylocalnumber,thecallendsupcustomer'sCUCMwhichthencallstheWebExPSTNnumberinthenearbycountry.
Refertosection4.
1and4.
2forpotentialworkarounds.
Diagram53.
4Intelligentcallbackrouting–Alloff-netcallbackoverWebExPSTNandallon-netcallbacksoverCCA-isnotsupportedatthemoment(undertrial)ThisisascenariowhereCCAcustomerwantstouseWebExPSTNforallcallbackcallsmadetooff-netendpointsandCCAlinksforcallbackcallsmadetoon-netendpoints.
Here,customerwantsWebExtocarryallcallbacksmadetonumbersthatdonotbelongtocustomer'sdialplan.
WebExhasnoknowledgeofcustomer'sdialplanandthereforecannotdetermineifacallbacknumberison-netoroff-net.
Tosupportthisrequirement,WebExistrialinganintelligentcallbackroutingsolution.
InthissolutionWebExsendsallcallbackcallstocustomer'spremiseCUSP.
Customer's2015CiscoSystems,Inc.
Allrightsreserved.
10CUSPwilldetermineifcallisoff-netoron-net.
Ifcallbacknumberdoesnotbelongtothecustomer,thencustomerwillsendSIP380backtoWebEx.
OnreceiptofSIP380,WebExwillsendthecalloverWebExPSTNnetwork.
FornonSIP380customer,thereisnoWebExPSTNfailover.
NotethatthefailovertoWebExPSTNwillbegovernedbyWebExPSTNfootprint.
CustomershouldnotsendSIP380backtoWebExforcountriesthatarenotinWebExPSTNfootprint,Diagram6:Theoff-netcallbackvson-netcallbackroutingasdescribedaboveisnotavailableoutsideofcurrenttrials2015CiscoSystems,Inc.
Allrightsreserved.
114PotentialWorkaroundsScenarioswhereWebExPSTNisrequired,willrequireHybridCCAarchitectureandtherefore,willneedtomeettherequirementsasdescribedinsection2.
2.
4.
1Callforwardingtocustomer'sownPSTNnumberAsexplainedintheprevioussectionthatWebExdoesnotsupportcallforwardingtooneofitsPSTNnumbers,howeverthereareworkaroundsthecustomerscanuse.
CustomercanforwardthecallstotheirownphonenumberoutsideofthatcountryandthencarrythecallovertheirIPnetworkandhanditovertoWebExoverCCAlinks.
Customercontrolsthecallforwardinginthisscenario.
However,thiscanstillposechallengeintroubleshootinganyDTMForcallqualityissues.
CustomerwillberesponsibleforanytroubleshootingonthiscallforwardingasWebExonlyseescustomerCUBEandcallforwardingistransparenttoWebEx.
Diagram72015CiscoSystems,Inc.
Allrightsreserved.
124.
2DialWebExtollnumberinanearbycountryCCAcustomercancallWebExtollnumberinthenearbycountrydirectly,whichwillbeaninternationaltollcallfortheuser.
NotethatcustomermustbuyWebExPSTNaudioinordertoenablethisscenario.
Inthediagrambelow,userinSaudiArabia,whereWebExdoesnotprovideanydial-inorcallbackcapabilitycandialintoWebExUKtollnumber.
Diagram84.
3CustomerCUCMcallsWebExPSTNnumberifCCAcallfailsCustomer'sCUCMdialstheWebExPSTNnumberifCCAcallfails.
ThiswillrequirebothCCAdial-inphonenumberandWebExPSTNdial-innumbertobedisplayedaspartofWebExglobaldial-infootprint.
NotethatcustomermustpurchaseWebExPSTNaudiotoenablethisscenario.
Thisconfigurationwillbecontrolledbycustomer'scallmanagerandwillberesponsiblefortroubleshootingincaseofcallfailures.
TheconfigurationtohidetheWebExPSTNnumberfromWebExglobaldial-infootprintisnotsupported.
2015CiscoSystems,Inc.
Allrightsreserved.
13Diagram9
Allrightsreserved.
1CCAEnterpriseDeploymentGuidelinesRevision:CreationDate:LastSaved:CCAEnterpriseDeploymentGuidelines2015CiscoSystems,Inc.
Allrightsreserved.
2TABLEOFCONTENTSTABLEOFCONTENTS.
21Introduction.
32CCAEnterpriseConfigurations.
42.
1PureCCAConfiguration.
42.
2HybridCCAConfiguration.
53CCAHybridConfigurationsthatareNOTsupported73.
1CallForwardingtoWebExPSTNnumbersisnotsupported.
73.
2UseofsameWebExdial-innumberforbothoff-netoverWebExPSTNandon-netoverCCAlinksisnotsupported.
83.
3UsercallsthelocalincountrynumberandcustomerCUCMcallsWebExPSTNnumberinanearbycountry.
93.
4Intelligentcallbackrouting–Alloff-netcallbackoverWebExPSTNandallon-netcallbacksoverCCA-isnotsupportedatthemoment(undertrial)94PotentialWorkarounds.
114.
1Callforwardingtocustomer'sownPSTNnumber.
114.
2DialWebExtollnumberinanearbycountry.
124.
3CustomerCUCMcallsWebExPSTNnumberifCCAcallfails.
122015CiscoSystems,Inc.
Allrightsreserved.
31IntroductionTheobjectiveofthisdocumentistoprovideaclearguidancetoimplementationteams,CiscoAdvancedServicesorqualifiedUCpartners,ontheconfigurationsonCCAEnterprisearchitecturethataresupportedandtheonesthatarenotsupported.
Itisimportanttogetagoodunderstandingofdifferentconfigurationinordertosetrightexpectationwiththecustomer.
Theaudienceofthisdocumentisbothinternalandexternal.
Internalaudienceincludes,CloudOperationsandAudioVideoOperations(AVOPs)team,WebExTSandonboardingteam.
ExternalaudienceincludesCiscoAdvancedservicesandqualifiedCCAimplementationUCpartners.
2015CiscoSystems,Inc.
Allrightsreserved.
42CCAEnterpriseConfigurationsTherearetwoprimaryconfigurationsthataresupportedonCCA.
2.
1PureCCAConfigurationThisconfigurationimbibesthetruespiritofCCAarchitecture,whichleveragescustomer'sIPWANnetworktothefullestandusesWebExcloudbasedaudioconferencingplatform.
Customerprovidestheglobalaudioconferencingphonenumbersandcarriesaudioconferencingtrafficoveritsownnetworkfrombothon-net,trafficoriginatingfromorterminatingtoendpointswithincustomer'sWANnetworkandoff-net,trafficfromendpointsoutsidecustomer'sWANnetwork,endpoints.
InthisconfigurationcustomerdoesnotleverageanyWebExPSTNconnectivity.
Thekeycalloutsare:oCustomerownstheentiresetofaudioconferencingphonenumbersoCustomercarriesallcallbacktrafficaswelloTheaudioconferencingcoverageisdeterminedbycustomer'sfootprintDiagram1:PureCCAConfiguration2015CiscoSystems,Inc.
Allrightsreserved.
52.
2HybridCCAConfigurationThisconfigurationissimilartopureCCAconfigurationasdescribedabove,butalsogivestheflexibilitytocustomertoleverageWebExPSTNfootprint.
CustomercanchoosetoleverageWebExPSTNdial-innumbersalongwithcustomer'sownaudioconferencingphonenumbers.
CustomercanalsochoosetoleverageWebExPSTNforcallbacks.
Belowarethekeyhighlights:oCustomercanchoosetohavebothCCAandWebExPSTNaudioonsingleWebExsite.
oThereareseparateSKUsforCCAPortsandWebExPSTNAudiominutes.
CustomermustpurchaseWebExPSTNaudioSKUsalongwithCCAportstoleverageWebExPSTNminuteswithCCA.
oCCAwillbebilledbasedonportsandusageonWebExPSTNnumberswillbebilledbyminutesoCustomersmustreviewandagreewithexistingWebExPSTNfootprintCCAHybridsolutionprovidesflexibilitytocustomertouseWebExPSTNnumbersincountrieswhereitdoesnothaveIPnetworkandthereforecannotleverageCCAarchitecture.
IntheexamplebelowcustomerdoesnothaveIPtelephonyinUK.
Diagram2:HybridCCACallFlow2015CiscoSystems,Inc.
Allrightsreserved.
6ThereareseveralvariationsofHybridCCAConfigurationthatarenotsupported.
Itisimportanttounderstandthesevariationstosettherightexpectationwiththecustomer.
Theseconfigurationsarecoveredinthenextchapter.
2015CiscoSystems,Inc.
Allrightsreserved.
73CCAHybridConfigurationsthatareNOTsupported3.
1CallForwardingtoWebExPSTNnumbersisnotsupportedThereareacoupleofusecaseswhereCCAEnterprisecustomersrequestcallforwarding.
UseCase1:Onmanyoccasions,customersrequesttheuseWebExPSTNfootprintasashort-termsolutionbeforetheycanimplementtheCCAsolution.
Indoingso,therewillbeachangeinphonenumbersascustomerwillneedtomigratefromWebExprovidedconferencingphonenumbersaspartofWebExaudiosolutiontotheirownphonenumberswhichareprovisionedaspartofCCAsolution.
Inordertoavoidthischange,customersrequesttohavetheirownCCAnumbersbeforwardedtoWebExPSTNnumbers.
Thisisnotsupported.
CustomermustuseWebexPSTNnumbersifusingWebExPSTNaudioandmanagethenumberchangewhenmovingtoCCAthroughcommunicationandtraining.
UseCase2:CustomermayrequesttousecallforwardingfromacountrywhereWebExdoesnothavedial-innumbers.
Theaskistypicallytousealocalin-countrynumberprocuredbythecustomerandthenhaveitforwardedtooneoftheWebExPSTNnumbers.
Thisisnotsupported.
Refertosection4.
1forpotentialworkaroundforthisscenario.
2015CiscoSystems,Inc.
Allrightsreserved.
8Diagram3:CallforwardingcallflowasdescribedhereisnotsupportedCiscodoesnotsupportCallForwardingfromcustomer'sCCAphonenumbertoWebExPSTNnumberasitpreventsCiscototroubleshootcustomercomplaints,callqualityissuesduetolackofconnectionorimproperpropagationofDTMFtones.
3.
2UseofsameWebExdial-innumberforbothoff-netoverWebExPSTNandon-netoverCCAlinksisnotsupportedThisisascenariowherecustomerwantstoleveragesameWebExdialinnumberforbothoff-netandon-netuser.
Foroff-netuser,callwillgooverWebExPSTNandWebExwillreceiveWebExPSTNDNIS.
Foron-netuser,customer'sCUCMwillre-routethecalltoWebExoverCCAlinksandsendCCADNIS.
ThisscenarioisnolongersupportedasWebExphonenumbersarenotdedicatedtoanycustomerandtherefore,CCAcustomerwillrunintoissuesinjoininganothercustomer'sWebExmeetinghostedonsameclusterasCCAcustomer'susingtheWebExdialinnumber.
Customerwouldneedtoconfigureseparatedial-innumbers,aWebExPSTNnumberforoff-netusersandCCAnumberforon-netusers.
CustomercanalsochoosetouseonlyCCAdial-innumberforbothoff-netandon-netuser.
Diagram4:Callflowasdescribedaboveisnotsupported2015CiscoSystems,Inc.
Allrightsreserved.
93.
3UsercallsthelocalincountrynumberandcustomerCUCMcallsWebExPSTNnumberinanearbycountryCustomersgenerallyrequestthiscallflowwhereWebExdoesnothaveadial-infootprint.
Inthiscallflow,customer'senduserdialsthein-countrylocalnumber,thecallendsupcustomer'sCUCMwhichthencallstheWebExPSTNnumberinthenearbycountry.
Refertosection4.
1and4.
2forpotentialworkarounds.
Diagram53.
4Intelligentcallbackrouting–Alloff-netcallbackoverWebExPSTNandallon-netcallbacksoverCCA-isnotsupportedatthemoment(undertrial)ThisisascenariowhereCCAcustomerwantstouseWebExPSTNforallcallbackcallsmadetooff-netendpointsandCCAlinksforcallbackcallsmadetoon-netendpoints.
Here,customerwantsWebExtocarryallcallbacksmadetonumbersthatdonotbelongtocustomer'sdialplan.
WebExhasnoknowledgeofcustomer'sdialplanandthereforecannotdetermineifacallbacknumberison-netoroff-net.
Tosupportthisrequirement,WebExistrialinganintelligentcallbackroutingsolution.
InthissolutionWebExsendsallcallbackcallstocustomer'spremiseCUSP.
Customer's2015CiscoSystems,Inc.
Allrightsreserved.
10CUSPwilldetermineifcallisoff-netoron-net.
Ifcallbacknumberdoesnotbelongtothecustomer,thencustomerwillsendSIP380backtoWebEx.
OnreceiptofSIP380,WebExwillsendthecalloverWebExPSTNnetwork.
FornonSIP380customer,thereisnoWebExPSTNfailover.
NotethatthefailovertoWebExPSTNwillbegovernedbyWebExPSTNfootprint.
CustomershouldnotsendSIP380backtoWebExforcountriesthatarenotinWebExPSTNfootprint,Diagram6:Theoff-netcallbackvson-netcallbackroutingasdescribedaboveisnotavailableoutsideofcurrenttrials2015CiscoSystems,Inc.
Allrightsreserved.
114PotentialWorkaroundsScenarioswhereWebExPSTNisrequired,willrequireHybridCCAarchitectureandtherefore,willneedtomeettherequirementsasdescribedinsection2.
2.
4.
1Callforwardingtocustomer'sownPSTNnumberAsexplainedintheprevioussectionthatWebExdoesnotsupportcallforwardingtooneofitsPSTNnumbers,howeverthereareworkaroundsthecustomerscanuse.
CustomercanforwardthecallstotheirownphonenumberoutsideofthatcountryandthencarrythecallovertheirIPnetworkandhanditovertoWebExoverCCAlinks.
Customercontrolsthecallforwardinginthisscenario.
However,thiscanstillposechallengeintroubleshootinganyDTMForcallqualityissues.
CustomerwillberesponsibleforanytroubleshootingonthiscallforwardingasWebExonlyseescustomerCUBEandcallforwardingistransparenttoWebEx.
Diagram72015CiscoSystems,Inc.
Allrightsreserved.
124.
2DialWebExtollnumberinanearbycountryCCAcustomercancallWebExtollnumberinthenearbycountrydirectly,whichwillbeaninternationaltollcallfortheuser.
NotethatcustomermustbuyWebExPSTNaudioinordertoenablethisscenario.
Inthediagrambelow,userinSaudiArabia,whereWebExdoesnotprovideanydial-inorcallbackcapabilitycandialintoWebExUKtollnumber.
Diagram84.
3CustomerCUCMcallsWebExPSTNnumberifCCAcallfailsCustomer'sCUCMdialstheWebExPSTNnumberifCCAcallfails.
ThiswillrequirebothCCAdial-inphonenumberandWebExPSTNdial-innumbertobedisplayedaspartofWebExglobaldial-infootprint.
NotethatcustomermustpurchaseWebExPSTNaudiotoenablethisscenario.
Thisconfigurationwillbecontrolledbycustomer'scallmanagerandwillberesponsiblefortroubleshootingincaseofcallfailures.
TheconfigurationtohidetheWebExPSTNnumberfromWebExglobaldial-infootprintisnotsupported.
2015CiscoSystems,Inc.
Allrightsreserved.
13Diagram9
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