11-TN_SP021_C1_1 电路域呼叫流程(不含智能业务)-29

1、 电路域业务电路域业务流程流程中兴通讯学院中兴通讯学院WCN团队团队TN_SP021_C1_1课程内容课程内容CS呼叫业务流程呼叫业务流程短消息业务流程补充业务流程移动呼叫业务流程移动呼叫业务流程n移动呼叫业务流程移动呼叫业务流程基本的呼叫信令过程基本的呼叫信令过程 始呼始呼 终呼终呼呼叫承载建立过程（网关呼叫信令流程和呼叫承载建立过程（网关呼叫信令流程和RAB指配）指配） Iu侧承载建立过程侧承载建立过程 Nb侧承载建立过程侧承载建立过程呼叫释放呼叫释放 用户发起用户发起 网络发起网络发起CS呼叫业务流程呼叫业务流程MSMSRNSVMSCVLRGMSCHLRVMSCVLRRNSRadio S

2、ignallingIu SignallingSIFOCComplete CallIAMSRIPRNIAMSIFICComplete CallRadio SignallingIu Signalling基本的呼叫信令流程基本的呼叫信令流程n基本的呼叫信令流程基本的呼叫信令流程CS呼叫业务流程呼叫业务流程MSRNSMSCVLRCM Service ReqCM Service ReqProcess Access ReqAuthenticationProcess Access Req AckSecurity ControlSetupSIFOCComplete CallCall ProceedingIAM

3、Allocate ChannelACMANMAlertConnectConnect AckUE主叫信令流程主叫信令流程nUE主叫信令流程主叫信令流程CS呼叫业务流程呼叫业务流程GMSCHLRMSCVLRRNSMSIAMSRIPRNPre-PagingPRN AckSRI AckIAMSIFICComplete CallPagingSetupCall ConfAllocate ChannelACMANMAlertConnectConnect AckUE被叫信令流程被叫信令流程nUE被叫信令流程被叫信令流程CS呼叫业务流程呼叫业务流程TransitNetworkRNCMSCServerMGWMSC

4、ServerMGWRNCRANAPRANAPMGwControlMGwControlOoB CodecNegotiationControlPlaneUserPlaneRadio BearerIu BearerCN bearerIu BearerRadio BearerEnd to end connectionBearer ReqBearer ReqBearer ReqMEMEOoB CodecNegotiationOoB CodecNegotiationTrFO呼叫组网图呼叫组网图TrFO呼叫组网图呼叫组网图CS呼叫业务流程呼叫业务流程 Codec List (v, w, x, y, z) C

5、odec List (v, w, x, z)O-MSCTransitT-MSCO-MGWT-MGWTransitMGW Selected Codec = v, Available List (v, x, z, ) Selected Codec = v Selected Codec = v Selected Codec = v, AvailableList (v, x, z, ) Selected Codec = v Bearer Established Bearer EstablishedTrFO呼叫编解码协商过程呼叫编解码协商过程TrFO呼叫编解码协商过程呼叫编解码协商过程CS呼叫业务流程呼

6、叫业务流程RNCMSCSMGWAAL2： 6.UP InitialRANAP： 3.RAB Assignment Req（RAB ID，User Plane Mode，UP Mode Versions ，Transport Layer Address ，BindingID ）AAL2： 7.UP Initial ACK1.ADD Request($)2.ADD Reply(T1，BindingID，Transport Layer Address)RANAP： 8.RAB Assignment CompleteALCAP： 4.Bear Establish Req（PathID ，CID，Bin

7、dingID ）ALCAP：5.Bear Establish Cfm（AAL2ID）Iu承载建立过程承载建立过程(RAB 指派指派)nIu承载建立过程承载建立过程(RAB 指派指派)CS呼叫业务流程呼叫业务流程NBnNb（网络）侧承载建立（按承载建立方向）前向承载后向承载nNb（网络）侧承载建立（按物理承载）TDMATMIP（按Tunnel方式）FastDelayn综上，局间Nb承载的实现方式和流程（6种）nTDM；ATM前向；ATM后向；前向Fast Tunnel；前向Delay Tunnel；后向Delay TunnelCS呼叫业务流程呼叫业务流程呼叫控制信令承载控制信令T1 T4:用于面

8、向RNC/BSC的承载，T3 T2:用于网络侧面向另一个MGW上的承载。MGWMSC-SCTX1T1T2RNC/BSCMGWMSC-SCTX2T3T4RNC/BSC呼叫承载建立网络模型呼叫承载建立网络模型n呼叫承载建立网络模型（UEUE Call跨局）CS呼叫业务流程呼叫业务流程UE始呼，Alcap前向承载建立流程SETUPRNCMSCSMGWUECall ProceedingIAM（no tunnel, forward）APM (Bearer Information)ADD Request($)ADD Reply(T2)UP InitialRAB Assignment ReqUP Initi

9、al ACKADD Request($)ADD Reply(T1)RAB Assignment ComplIu Bearer EstablishmentAnd Iu UP InitializationAlertingACMANMMOD Request(T1)MOD Reply(T1)ConnectEstablish BearAAL2 Bear Establish IndAAL2 Bear Establish CfmUE始呼，始呼，Alcap前向承载建立流程前向承载建立流程CS呼叫业务流程呼叫业务流程UE终呼，Alcap前向承载建立流程SETUPRNCMSCSMGWUECall confirmI

10、AMAPM(Bearer Information)ADD Request($)ADD Reply(T3)UP InitialRAB Assignment ReqUP Initial ACKADD Request($)ADD Reply(T4)RAB Assignment CompleteBearer EstablishmentAnd Iu UP InitializationAlertingACMANMMOD Request(T3)MOD Reply(T3)MOD Request(T4)MOD Reply(T4)ConnectPrepare BearAAL2 Bear Establish Ind

11、AAL2 Bear Establish CfmUE终呼，终呼，Alcap前向承载建立流程前向承载建立流程CS呼叫业务流程呼叫业务流程RNCMSCSMGWUEDisconnectReleaseRelesesRelease completeIu Release CmdIu Release CompleteBearer ReleaseSub.Req(T1)Sub.Rply(T1)Release TerminationRelease CompleteMod.Req(T2)Sub.Req(T2)Sub.Rply(T2)Release TerminationMod.Rply(T2)Release Bear

12、呼叫释放呼叫释放n呼叫释放（用户发起）呼叫释放（用户发起）CS呼叫业务流程呼叫业务流程RNCMSCSMGWUEDisconnectReleaseRelesesRelease completeIu Release CmdIu Release CompleteBearer ReleaseSub.Req(T1)Sub.Rply(T1)Release TerminationRelease CompleteMod.Req(T2)Sub.Req(T2)Sub.Rply(T2)Release TerminationMod.Rply(T2)Release BearBearer Release呼叫释放呼叫释放n

13、呼叫释放（网络发起）呼叫释放（网络发起）CS呼叫业务流程呼叫业务流程课程内容课程内容CS呼叫业务流程短消息业务流程短消息业务流程补充业务流程短消息业务流程短消息业务流程n点对点的短消息点对点的短消息移动台发起移动台发起移动台终止移动台终止Alert流程流程短消息业务流程SCSMS_IWMSCMSC/VLRMSCM Service ReqHLRCM Service Req AckStep1CP DataForward Short MessageMessage TransferDelivery ReportDelivery ReportCP AckStep2Step3短消息业务流程短消息业务流程n

14、移动台发起短消息业务流程移动台发起短消息业务流程短消息业务流程SCSMS_IWMSCMSC/VLRMSPageHLRCP DataStep1Page RspForward Short MessageMessage TransferDelivery ReportDelivery ReportCP AckStep2Step3Send Routing Info for SMDelivery ReportStep4短消息业务流程短消息业务流程n移动台终止短消息业务流程移动台终止短消息业务流程短消息业务流程Alert Service CenterAlert Service CenterReady For

15、 SMSC SMS_IWMSC HLR MSCS/VLR MSAlert流程流程nAlert流程流程短消息业务流程课程内容课程内容CS呼叫业务流程短消息业务流程补充业务流程补充业务流程补充业务补充业务n补充业务补充业务呼叫识别呼叫识别呼叫限制呼叫限制呼叫前转呼叫前转多呼（呼叫保持、呼叫等待）多呼（呼叫保持、呼叫等待）三方通话三方通话补充业务流程补充业务补充业务n补充业务补充业务基本操作（签约、注销、登记、删除、激活、去活、基本操作（签约、注销、登记、删除、激活、去活、查询等）查询等）补充业务处理流程补充业务处理流程补充业务流程MSGMSCSHLRbSetupSend Route InfoMSC

16、cSend Route Info Ack(Forwarded-to number, Roaming number )IAMPRN补充业务补充业务n无条件前转业务流程无条件前转业务流程补充业务流程MSC-SMGW CTXATATBTCRNCB-partyC party补充业务补充业务n三方通话媒体联网模型三方通话媒体联网模型补充业务流程RANAPMMMCCNNIUEaH.248MGWmrDirectTransEvent(mcL3BuildMptyEvent)mcDataIndEvent(mcL3BuildMptyEvent)NotifyEvent(Retrieve B)NotifyEvent(MPTY B)mcDataReqEvent(mcL3FacilityEvent(BuildMPTYAck)mrDirectTransEvent(mcL3FacilityEvent)NotifyEvent(MPTY C)MOVE Tb to CacMOVE.request(Cab,Cac,Tb)MOVE.reply(Ca