Maintenance of Common Channel Signalling System No. 6 - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 3 pp
国外标准现行
标准号:ITU-T M.762-1989
标准名称: 共同通道信号系统维护第6号-维护国际传输系统和电话线路(第4研究组)3页
英文名称:Maintenance of Common Channel Signalling System No. 6 - Maintenance of International Transmission Systems and Telephone Circuits (Study Group IV) 3 pp