3GPPTSGCTChairmanHannuHietalahti.ppt

3GPP TSG CT Chairman Hannu Hietalahti;Migration from GSM to multi-access IP multimedia From GSM to multi-access SIM/USIM/ISIM support Security evolution System Architecture Evolution (SAE) IMS Multi-mode terminals and networks Service continuity Multiple registration Voice Call Continuity CS Fallback Network selection;Continuous improvement of access technologies Provision of services over any access network;SIM / USIM / ISIM support;Security evolution;;;Internet;;Call control protocols E-UTRAN is a PS only radio, speech and other services are IMS based PS domain IMS uses SIP protocol for call control (3GPP TS 24.229) CS domain uses Call Control defined in 3GPP TS 24.008 Voice Call Continuity Domain transfer of ongoing call Typically from E-UTRAN to 2G or 3G access CS fallback Paging the mobile in E-UTRAN to start CS service in 2G or 3G access Not an E-UTRAN service, but fallback to existing service via 2G/3G IMS service continuity IMS service between E-UTRAN and other PS only, such as WLAN IMS Centralized Service Control (ICS) Common telephony services between CS and PS domain;Multi-mode,IMS registration in Rel-7;Multi-mode,IMS Multiple registration, Rel-8;Multi-mode,Single Radio Voice Call Continuity;Multi-mode, CS fallback;Multi-mode,Network selection;PLMN Selector (USIM):;Thanks for your attention !More information at ;Architecture Annex:3GPP and non-3GPP access architecture;Mobility anchor Packet routing Idle mode packet buffering DL initiation Legal interception;Trusrted* Non-3GPP IP Access or 3GPP Access