基于统一IMS的业务测试方法 多媒体电话业务(第一阶段) 第2部分:呼叫闭锁和多方通话业务
Test method of services based on the unified IMS multimedia telephony service (Release 1)Part 2:Communication barring and Multi-Party call service
2016-04-05
YD/T 2457.1-2013
基于统一IMS的业务测试方法 多媒体电话业务(第一阶段) 第1部分:基本业务和必选补充业务
Test method of services based on the unified IMS multimedia telephony service (release 1) Part 1:basic services and required supplementary services