ETSI TR 183 046-2009 电信和互联网融合业务及高级网络协议(TISPAN).呼叫/会话控制协议(SIP/SDP,RTSP/SDP等)和网关控制协议(H.248/SDP)之间的SDP互通(版本3.3.1)
Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); SDP Interworking between Call/Session Control Protocols (SIP/SDP@ RTSP/SDP; etc.) and the Gateway Control Protocol (H.248/SDP)