YD/T 2295-2011
基于统一IMS的业务技术要求 点击拨号业务（第一阶段）
Technical requirements of services based on the unified IMS. Click to dial service(Release 1)
2011-05-18
YD/T 2459-2013
基于统一IMS的业务测试方法 IP Centrex业务(第一阶段)
2013-04-25
YD/T 2887-2015
基于统一IMS的紧急呼叫业务测试方法（第一阶段）
Test Methods of Emergency Sessions Services based on the Unified IMS (Release 1)
2015-07-14
YD/T 2461-2013
基于统一IMS的业务测试方法 多媒体会议业务(第一阶段)
2013-04-25
YD/T 2460-2013
基于统一IMS的业务测试方法 多媒体彩铃业务（第一阶段）
2013-04-25
YD/T 2458-2013
基于统一IMS的业务测试方法 个性化振铃音业务(第一阶段)
2013-04-25
YD/T 1933-2009
基于统一IMS的业务技术要求 IP Centerex业务（第一阶段）
Technical Requirements of Services Based on the Unified IMS IP Centrex Service(Release 1)
2009-06-15
YD/T 1931-2009
基于统一IMS的业务技术要求 呼叫前转类业务（第一阶段）
Technical Requirements of Services based on the Unified IMS Call Forwarding Service(Release 1)
2009-06-15
YD/T 2541-2013
基于统一IMS的紧急呼叫业务技术要求（第一阶段）
2013-04-25
YD/T 2008-2009
基于统一IMS的业务技术要求 多媒体彩铃业务（第一阶段）
Technical Requirement for Services based on the Unified IMS Customized Multimedia Alerting Service (Release 1)
2009-12-11
YD/T 2010-2009
基于统一IMS的业务技术要求 多媒体会议业务（第一阶段）
Technical Requirements of Services based on the Unified IMS Multimedia Conferencing Service (Release 1)
2009-12-11
YD/T 1935-2009
基于IMS的组管理(XDM)业务测试方法(第一阶段)
Testing Methods for IMS based Group Management Service(Phase 1)
2009-06-15
YD/T 3034-2016
基于统一IMS的业务技术要求 呼叫闭锁和多方通话业务(第一阶段)
2016-04-05
YD/T 2009-2009
基于统一IMS的业务技术要求 个性化振铃音业务（第一阶段）
Technical Requirement of Services based on the Unified IMS Customized Multimedia Ringing Service (Release 1)
2009-12-11
YD/T 1932-2009
基于统一IMS的业务技术要求 标识显示及限制类业务（第一阶段）
Technical Requirements of Services based on the Unified IMS Identification Presentation and Restriction Service(Release 1)
2009-06-15
YD/T 2011-2009
基于统一IMS的业务技术要求 呼叫等待与呼叫保持业务（第一阶段）
Technical Requirements of Services based on the Unified IMS Call Waiting (CW) and Call HOLD (HOLD) Services (Release 1)
2009-12-11
YD/T 2013-2009
基于统一IMS的业务技术要求 恶意呼叫追踪和匿名呼叫拒绝业务(第一阶段)
Technical Requirements of Services based on the Unified IMS Malicious Call Identification (MCID) and Anonymous Communication Rejection (ACR) Services (Release 1)
2009-12-11
YD/T 1934-2009
基于IMS的组管理(XDM)业务技术要求(第一阶段)
Technique Requirements for IMS based Group Management Service(Phase 1)
2009-06-15
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
2013-04-25
YD/T 2457.2-2016
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