基于软交换的业务技术要求 第4部分：多方通话类业务
Technical requirements of the soft switch based services part 4: Multiparty call services
2005-09-01
YD/T 1388.1-2005
基于软交换的业务技术要求 第1部分：业务体系
Technical requirements of the soft switch based services part 1:Services system
2005-09-01
YD/T 1388.6-2005
基于软交换的业务技术要求 第6部分：视频多媒体业务
Technical requirements of the soft switch based services part 6: Video multimedia services
2005-09-01
YD/T 1388.2-2005
基于软交换的业务技术要求 第2部分：号码识别类业务
Technical requirements of the soft switch based services part 2: Number identification services
2005-09-01
YD/T 1388.5-2005
基于软交换的业务技术要求 第5部分：点击拨号类业务
Technical requirements of the soft switch based services part 5: click to dial services
2005-09-01
YD/T 1533.3-2007
固定网多媒体消息业务技术要求 第3部分：多媒体消息终端
Technical Requirements for the Multimedia Message Service based on Fixed Network Part 3:Multimedia Message Service Terminal