VOLTE 用户注册 参考：TS 24.228 UEeNBMMES/PGWPCRFHSSI-CSCFS-CSCFTAS1.Attach Request2.Attach Request7.Update Location Request(Homogeneous Support of IMS Voice over PS Sessions)8.Update Location Answer9.Create Session Request(APN=CMNET)3.Identity Request4.Identity Response6.Authentication/Security12.Create Session Response(QCI=9)13.Initial Context Setup Request/Attach Accept14.RRC Connection Reconfiguration/Attach Accept15.RRC Connection Reconfigurationn Complete16.Initial Context Setup Response17.Direct Transfer/Attach Complete18.Attach Complete19.Modify Bearer Request20.Modify Bearer Response10.CCR11.CCA(QCI=9)35.REGISTER(IMPI=***************.mcc460.3gppnetwork.org,IMPU=sip:***************.mcc460.3gppnetwork.org)36.REGISTER37.UAR38.UAA(S-CSCF cap set)39.REGISTER42.401(RAND,IK CK,XRES,AUTN)40.MAR41.MAA(RAND,IK CK,XRES,AUTN)43.401(RAND,IK CK,XRES,AUTN)44.401(RAND,AUTN)45.REGISTER (RES)46.REGISTER (RES,STN-SR)47.UAR48.UAA(Stored S-CSCF)49.REGISTER (RES,STN-SR)50.SAR51.SAA(user profile)52.REGISTER(original REGISGTER message)53.200 OK54.200 OK55.200 OK56.200 OK57.MESSAGE (ATU-STI,C-MSISDN)59.200 OK[to MESSAGE]60.200 OK[to MESSAGE]61.PUR(STN-SR)62.PUA63.IDR(STN-SR)64.IDA22. PDN Connectivity Request(APN=IMS, PCO:P-CSCF addr )23.Create Session Request(APN=IMS, PCO: P-CSCF addr request)26.Create Session Response(QCI=5, PCO:P-CSCF addr)27.Initial Context Setup Request/PDN Connectivity Accept(PCO: P-CSCF addr)28.RRC Connection Reconfiguration/PDN Connectivity Accept(PCO:P-CSCF addr)29.RRC Connection Reconfigurationn Complete30.Initial Context Setup Response31.Direct Transfer32.PDN Connectivity Complete33.Modify Bearer Request34.Modify Bearer Response24.CCR25.CCA(QCI=5)5.Authentication/Security21. UE decide to create IMS PDN connection58.MESSAGE (ATU-STI,C-MSISDN) 1．UE 发起到4G 的attach 并激活IMS APN 1~2 UE 发起EPC 附着请求。 在 S1-C 接口的attach 消息...
