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]
The present document provides the ETSI TISPAN endorsement of 3GPP TS 24.229 [1]: "3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3 (Release 7)" in line with the requirements of TISPAN NGN.
The present document together with the endorsed document provides the necessary SIP/SDP specifications for supporting TISPAN Release 2 requirements.