【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-CorporateTelecommunicationNetworks-SignallingInterworkingbetweenQSIGandSIP-CallTransfer
【原文标准名称】:信息技术.系统间远程通信和信息交换.企业电信网.QSIG和SIP间信令互通.呼叫转移
【标准号】:ISO/IEC23916-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-11
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/IECJTC1/SC6
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiescalltransferinterworkingbetweentheSessionInitiationProtocol(SIP)and“QSIG”withincorporatetelecommunicationnetworks(CN),alsoknownasenterprisenetworks."QSIG"isasignallingprotocolthatoperatesbetweenPrivateIntegratedservicesNetworkeXchanges(PINX)withinaPrivateIntegratedServicesNetwork(PISN).APISNprovidescircuit-switchedbasicservicesandsupplementaryservicestoitsusers.QSIGisspecifiedinStandards,inparticular[1](callcontrolinsupportofbasicservices),[2](genericfunctionalprotocolforthesupportofsupplementaryservices)andanumberofStandardsspecifyingindividualsupplementaryservices.Transferservicesarespecifiedin[3],[6]andtheQSIGsignallingprotocolinsupportoftheseservicesisspecifiedin[4],[7].Inparticular,thissignallingprotocolsignalsinformationaboutcalltransfertotheuserswhoareinvolved.NOTEThenameQSIGwasderivedfromthefactthatitisusedforsignallingattheQreferencepoint.TheQreferencepointisapointofdemarcationbetweentwoPINXs.SIPisanapplicationlayerprotocolforestablishing,terminatingandmodifyingmultimediasessions.ItistypicallycarriedoverIP.Telephonecallsareconsideredasatypeofmultimediasessionwherejustaudioisexchanged.SIPisdefinedin[10].Asthesupportoftelephonywithincorporatenetworksevolvesfromcircuit-switchedtechnologytoInternettechnology,thetwotechnologieswillco-existinmanynetworksforaperiod,perhapsseveralyears.Thereforethereisaneedtobeabletoestablish,modify,terminateandtransfersessionsinvolvingparticipantsintheSIPnetworkandparticipantsintheQSIGnetwork.SuchcallsaresupportedbygatewaysthatperforminterworkingbetweenSIPandQSIG.ThisspecificationspecifiesSIP-QSIGsignallinginterworkingfortransferservicesbetweenaPISNemployingQSIGandacorporateIPnetworkemployingSIP.
【中国标准分类号】:M11
【国际标准分类号】:33_040_30
【页数】:25P;A4
【正文语种】:英语