3gpp ts 23.205 v6.8.0 (2007-09)

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1、3GPPTS23.205V6.8.0(2007-09)TechnicalSpecification3rdGenerationPartnershipProject;TechnicalSpecificationGroupCoreNetworkandTerminals;Bearer-independentcircuit-switchedcorenetwork;Stage2(Release6)Thepresentdocumenthasbeendevelopedwithinthe3rdGenerationPartners

2、hipProject(3GPPTM)andmaybefurtherelaboratedforthepurposesof3GPP.Thepresentdocumenthasnotbeensubjecttoanyapprovalprocessbythe3GPPOrganizationalPartnersandshallnotbeimplemented.ThisSpecificationisprovidedforfuturedevelopmentworkwithin3GPPonly.TheOrganizational

3、PartnersacceptnoliabilityforanyuseofthisSpecification.Specificationsandreportsforimplementationofthe3GPPTMsystemshouldbeobtainedviathe3GPPOrganizationalPartners'PublicationsOffices.3GPPTS23.205V6.8.0(2007-09)224Release6KeywordsUMTS,network,circuit mode3GPPPo

4、staladdress3GPPsupportofficeaddress650RoutedesLucioles-SophiaAntipolisValbonne-FRANCETel.:+33492944200Fax:+33493654716Internethttp://www.3gpp.orgCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestri

5、ctionextendtoreproductioninallmedia.©2007,3GPPOrganizationalPartners(ARIB,ATIS,CCSA,ETSI,TTA,TTC).Allrightsreserved.3GPP3GPPTS23.205V6.8.0(2007-09)224Release6ContentsForeword141Scope152References153Symbolsandabbreviations173.1Symbols173.2Abbreviations173.3De

6、finitions184MainConcepts184.1General184.2Bearer-IndependentCallControl184.3H.248/MEGACO185GeneralCircuitSwitchedCoreNetworkDomainArchitecture185.1LogicalArchitecture185.1.1CSCoreNetworkNodes195.1.1.1MSCServer195.1.1.2GMSCServer195.1.1.3MediaGateway195.1.2CSC

7、oreNetworkInterfacesandReferencePoints195.1.2.1McInterface195.1.2.2NcInterface195.1.2.3NbInterface195.2NetworkInterworking205.2.1InterworkingontheNcReferencePoint205.2.2InterworkingontheNbReferencePoint206CallEstablishment206.1BasicMobileOriginatingCall206.1

8、.1Forwardbearerestablishment206.1.1.1MGWselection206.1.1.2Initialaddressing206.1.1.3Networksidebearerestablishment206.1.1.4Accessbearerassignment206.1.1.5Framingprotocolinitialisation216.1.1.6Co