ITU-T SERIES Q SUPP 13-1999 技术报告TRQ.2110: 协调呼叫控制和承载控制信令要求-部分协调呼叫和承载控制 Q系列:交换和信
Technical Report TRQ.2110: Coordinated Call Control and Bearer Control Signalling Requirements - Leaf-Party Coordinated Call and Bearer Control Series Q: Switching and Signaling Study Group 11