BICC协议与软交换呼叫流程

《BICC协议与软交换呼叫流程》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、软交换技术交流-VOIP和BICC协议VOIP概念VOIP-VoiceOverInternetProtocol定义了将语音通过IP网进行传送的方法。软交换VOIP化是将CS域的语音电话打包后通过IP骨干网传送。同在IP骨干网传送，实现PS域和CS域承载网的融合。提高设备的利用率，减少营运成本。有利于新业务的开发和使用。VoIP网络模型软交换核心网IP化MobileSoftswitchMobileSoftswitchMobileSoftswitchMobileSoftswitchTDMISUPBICCIP专有电路---共用IP承载网语音IP化网络控制平面信

2、令协议栈NcNbAMTP2MTP3SCCPBSSAPPHYMTP2MTP3ISUPPHYSS7NetworkHLR,SGSNMcPSTNBSSMSCServerIPSCTPISUPLLM3UAC-MGWTSCServerC-MGWSGWSTPMcBSSAPSCTPM3UAIPLLTCAPMAPBSSAP+RANAPSCCPSS7NetworkHLR,SGSNTCAPMAPBSSAP+SCTPM3UAIPSCCPPHYBICCIPSCTPM3UALLIPBCPIPBCPTCAPMAPBSSAP+MTP2MTP3SCCPPHYGCPIPSCTPM3UALLIP

3、BCPSIGTRANSIGTRANSGWSTPNcNbAMTP2MTP3SCCPBSSAPPHYMTP2MTP3SCCPBSSAPPHYMTP2MTP3ISUPPHYMTP2MTP3ISUPPHYSS7NetworkHLR,SGSNMcPSTNPSTNBSSBSSMSCServerIPSCTPISUPLLM3UAIPSCTPISUPLLM3UAC-MGWM-MGwTSCServerC-MGWM-MGwSGWSTPMcBSSAPSCTPM3UAIPLLTCAPMAPBSSAP+RANAPSCCPBSSAPSCTPM3UAIPLLTCAPMAPBSSAP+RA

4、NAPSCCPSS7NetworkHLR,SGSNTCAPMAPBSSAP+SCTPM3UAIPSCCPPHYTCAPMAPBSSAP+SCTPM3UAIPSCCPPHYBICCIPSCTPM3UALLIPBCPBICCIPSCTPM3UALLBICCIPSCTPM3UALLIPBCPIPBCPTCAPMAPBSSAP+MTP2MTP3SCCPPHYTCAPMAPBSSAP+MTP2MTP3SCCPPHYGCPIPSCTPM3UALLIPBCPGCPIPSCTPM3UALLH.248IPSCTPM3UALLIPBCPSIGTRANSIGTRANSIGTRA

5、NSIGTRANSGWSTPRNCBSCMGWMGWMGWMGWAInterTDMNbUPoverRTPoverIPUser-planeTransportBearerControlBSSAPQ.IPBCPCoreNetworkTransportNetworkPSTN/ISDNISUPTDMSCCPMTP3MTP2MTP1BSSAPM3UASCTPIPLLBICC/GCPQ.IPBCPNbUPUDPIPL1PCM/AMRRTPTDMPCML1MTP3MTP2MTP1ISUP语音IP化网络用户平面协议栈NbTDMPCML1新增协议规范BICCTS23.205B

6、earerIndependentCSCoreNetwork.Q.1902.x(x=1,2….6)forBICCprotocolCS2IPBCPQ.1990:BICCbearercontroltunnelingprotocolQ.1970:BICCbearercontrolprotocolSDPRFC4566:SessionDescriptionProtocolNb接口TS29.414CoreNetworkNbdataTransportandTransportSignaling.TS29.415CoreNetworkNbInterfaceuserPlanep

7、rotocols.RFCRTP3550:TransportProtocolforReal-TimeApplications.UDPRFC768:UserDatagramProtocol.IPRFC791(v4)2460(v6):InternetProtocolBICC基本运用在VOIP网络中，MSCServer之间（NC接口）使用BICC协议BICC消息中的控制信息ActionIndicator(connectforward)BNCIdentifierBIWFAddressCodecListSingleCodecBNCCharacteristics(IP/

8、RTP)BearerControlInformationBeare