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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 4149-2022 |
Service technical requirements based on Unified IMS (Phase 2) One-number multi-terminal service {译} 基于统一IMS（第二阶段）的业务技术要求 一号多终端业务 |
China Telecommunication Industry
Standards IMS based |
 English PDF |
| YD/T 2980-2015 |
(Fixed network voice service billing system metering performance technical requirements and test methods based on IMS) 基于ims的固定网语音业务计费系统计费性能技术要求和检测方法 |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2946-2015 |
(IMS-based VoLTE networks and 2G / 3G / 4G network voice service interworking technical requirements) 基于ims的volte网络与2g/3g/4g网络话音业务互通技术要求 |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2887-2015 |
(Emergency call service test method (first stage) is based on a unified IMS) 基于统一ims的紧急呼叫业务测试方法（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2744-2014 |
(IMS-based rendering (Presence) business test method (second stage)) 基于ims的呈现（presence）业务测试方法（第二阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2541-2013 |
Technical requirements of emergency sessions services based on the unified IMS(Release 1) 基于统一ims的紧急呼叫业务技术要求（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2460-2013 |
Test method of services based on the Unified IMS multimedia ring back tone(Release 1) 基于统一ims的业务测试方法 多媒体彩铃业务（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2459-2013 |
Test method of services based on the Unified IMS. IP Centrex service 基于统一ims的业务测试方法 ip centrex业务（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2458-2013 |
Test method of services based on the unified IMS customized multimedia ringing (Release 1) 基于统一IMS的业务测试方法 个性化振铃音业务（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2457.1-2013 |
Test method of services based on the unified IMS multimedia telephony service (release 1). Part 1: basic services and required supplementary services 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 |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2330.2-2011 |
Common IMS network management interface technical specification. Part 2: CORBA based information model design 统一ims网络管理接口技术要求 第2部分：基于corba技术的信息模型设计 |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2295-2011 |
Technical requirements of services based on the unified IMS. Click to dial service (Release 1) 基于统一ims的业务技术要求 点击拨号业务（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2185-2010 |
Test methods for IMS based group management service (Phase 2) 基于ims的组管理（xdm）业务测试方法（第二阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2184-2010 |
Technical requirements for IMS based group management service (Phase 2) 基于ims的组管理（xdm）业务技术要求（第二阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2183-2010 |
Technical requirement for IMS based PoC service equipment (Phase 2) 基于ims的即按即说(poc)业务设备技术要求（第二阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2182-2010 |
Technical requirement for IMS based PoC service general (Phase 2) 基于ims的即按即说(poc)业务总体技术要求（第二阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2180-2010 |
Test method for IMS based SIMPLE IM service 基于ims的simple即时消息业务测试方法 |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2179-2010 |
Technical requirements for IMS based SIMPLE IM service 基于ims的simple即时消息业务技术要求 |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 1522.6-2010 |
Technical Requirements for Session Initiation Protocol. Part 6: Interworking between BICC and SIP Based on the Unified IMS 会话初始协议（sip）技术要求 第6部分：与承载无关的呼叫控制（bicc）协议与统一ims网络sip协议的互通 |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 1522.5-2010 |
Technical requirements for session initiation protocol. Part 5: Session initiation protocol based on the unified IMS 会话初始协议（sip）技术要求 第5部分：统一ims网络的sip协议 |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2013-2009 |
Technical requirements of services based on the unified IMS. Malicious call identification (MCID) and anonymous communication rejection (ACR) service (Release 1) 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） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2011-2009 |
Technical requirements of services based on the unified IMS. Call waiting (CW) and call HOLD (HOLD) service (Release 1) 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） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2010-2009 |
Technical requirements of services based on the unified IMS multimedia conferencing service (Release 1) 基于统一ims的业务技术要求 多媒体会议业务（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2009-2009 |
Technical requirement of services based on the unified IMS customized multimedia ringing service (Release 1) 基于统一ims的业务技术要求 个性化振铃音业务（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 2008-2009 |
Technical requirement for services based on the unified IMS. Customized multimedia alerting service (Release 1) 基于统一ims的业务技术要求 多媒体彩铃业务（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 1935-2009 |
Testing Methods for IMS based Group Management Service(Phase 1) 基于ims的组管理（xdm）业务测试方法（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 1934-2009 |
Technique Requirements for IMS based Group Management Service(Phase 1) 基于ims的组管理（xdm）业务技术要求（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 1933-2009 |
Technical Requirements of Services Based on the Unified IMS IP Centrex Service(Release 1) 基于统一ims的业务技术要求 ip centerex业务（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 1932-2009 |
Technical Requirements of Services based on the Unified IMS Identification Presentation and Restriction Service(Release 1) 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） |
China Telecommunication
Standards IMS based |
English PDF |
| YD/T 1931-2009 |
Technical Requirements of Services based on the Unified IMS Call Forwarding Service(Release 1) 基于统一ims的业务技术要求 呼叫前转类业务（第一阶段） |
China Telecommunication
Standards IMS based |
English PDF |
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