Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); IP Multimedia Call Control Protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP) Stage 3 [3GPP TS 24.229 [Release 7], modified]
电信和互联网融合服务和先进网络协议(TISPAN);基于会话启动协议(SIP)和会话描述协议(SDP)第3阶段的IP多媒体呼叫控制协议[3GPP TS 24.229[版本7] 修改]