Connecting-to-Exchange-Online-Unified-Messaging-in-Office-365-_2D00_-20110322.pdf

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1、ConnectingtoExchangeOnlineUnifiedMessaginginOffice365Thisedition:21-Mar-2011ContentsIntroduction..................................................................................................................................................1ConnectingMicrosof

2、tLyncServer2010toExchangeOnlineUM................................................................3ConnectingTelephonySolutionstoExchangeOnlineUM...........................................................................8Certificates.............................

3、...................................................................................................................8TraditionalPBXs..................................................................................................................................

4、....10IPPBXs.....................................................................................................................................................16IntroductionExchangeOnlineUnifiedMessaging(UM)providesvoicemailservicestoOffice365customers.UMisno

5、taPrivateBranchExchange(PBX):itdoesnotprovidevoicecallswitchingornumberingservice.Eachcustomerisrequiredtoprovide“dialtone”toUMfromasuitabletelephonysolution.Figure1showsasimplifiedviewofatypicalarrangement.Thecustomerhasatelephonysolutionontheirpremises.Thisis

6、shownasablackboxtoindicatethattheinternaldetailshavebeenomittedforgenerality.Inpractice,theblackboxrepresentsMicrosoftLyncServer2010oroneofthePBXswithwhichExchangeUnifiedMessagingworks.ExchangeUnifiedMessagingrequirestheuseofvoice-over-IP(VoIP)protocols.Ifacust

7、omer’sPBXdoesnotuseVoIP,theymustconnectittoUMthroughasuitableVoIPgateway.TheVoIPgatewayconvertsthePBX’snativeprotocolstoVoIP(andviceversa).ThelistofPBXsandVoIPgatewaysthathavebeentestedwithExchangeUMisavailableonlineastheTelephonyAdvisorforExchange2010.Connecti

8、ngtoExchangeOnlineUMPage1of17MicrosoftOffice365BetaCustomer’sPremisesMicrosoftDatacenterPublicExchangeTelephoneServerRolesMailboxNetworkLync,PBX+GWorIP-PBXHubTransportUnifie