Signalling Procedures - Signalling between the Outgoing International R2 Register and the Last Incoming R2 Register - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp
国外标准现行
标准号:ITU-T Q.464-1989
标准名称: 信号程序-国际向外和向内信号调
英文名称:Signalling Procedures - Signalling between the Outgoing International R2 Register and the Last Incoming R2 Register - Specifications of Signalling Systems R1 and R2 (Study Group XI) 1 pp