文件名称：3rd Generation Partnership Project;
文件大小：14.96MB
文件格式：DOC
更新时间：2014-05-22 08:38:11
SIP
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 8)