Principles of Universal Personal Telecommunication (UPT) - Operations and Quality of Service; Universal Personal Telecommunication (UPT) Study Group 1
国外标准现行
标准号:ITU-T F.850 FRENCH-1993
标准名称: 通用个人通信(UPT)的原则.业务操作和业务质量.通用个人通信(UPT).1号研究组
英文名称:Principles of Universal Personal Telecommunication (UPT) - Operations and Quality of Service; Universal Personal Telecommunication (UPT) Study Group 1