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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 3976-2021 |
5G mobile communication network Session management function (SMF) and user plane function (UPF) topology enhancement general technical requirements{译} {译} 5G移动通信网 会话管理功能（SMF）及用户平面功能（UPF）拓扑增强总体技术要求 |
China Telecommunication Industry
Standards Technical Requirements Session |
 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 Technical Requirements Session |
English PDF |
| YD/T 1522.7-2013 |
Technical requirements for session initiation protocol. Part 7: SIP supporting presence and instant message service 会话初始协议（sip）技术要求 第7部分：sip支持呈现和即时消息业务 |
China Telecommunication
Standards Technical Requirements Session |
English PDF |
| YD/T 2425-2012 |
Technical requirements of the session border controllerin unified IMS 统一ims中的会话边界控制设备技术要求 |
China Telecommunication
Standards Technical Requirements Session |
English PDF |
| YD/T 2291-2011 |
Technical requirements of interrogating call session control function/serving call session control function (I-CSCF/S-CSCF) of the unified IMS (Release 1) 统一ims查询/服务会话控制设备（i-cscf/s-cscf）技术要求（第一阶段） |
China Telecommunication
Standards Technical Requirements Session |
English PDF |
| YD/T 2186-2010 |
Technical requirements for Proxy Call Session Control Function (P-CSCF) of the unified IMS (Phase 1) 统一ims代理会话控制设备（p-cscf）技术要求（第一阶段） |
China Telecommunication
Standards Technical Requirements Session |
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 Technical Requirements Session |
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 Technical Requirements Session |
English PDF |
| YD/T 1936-2009 |
Technical Requirements for Session Description Protocol 会话描述协议（sdp）技术要求 |
China Telecommunication
Standards Technical Requirements Session |
English PDF |
| YD/T 1522.4-2009 |
Technical Requirements for Session Initiation Protocol. Part 4: SIP’s Applications about call control Based on Softswitching Network 会话初始协议（sip）技术要求 第4部分：基于软交换网络呼叫控制的sip协议 |
China Telecommunication
Standards Technical Requirements Session |
English PDF |
| YD/T 1522.31-2009 |
Technical Requirements For Session Initiation Protocol. Part 3: Interworking between ISUP and SIP-Supplement 1 会话初始协议（sip）技术要求 第3部分：isdn用户部分（isup）和会话初始协议（sip）的互通（补充件1） |
China Telecommunication
Standards Technical Requirements Session |
English PDF |
| YD/T 1522.3-2006 |
Technical Requirements for Session Initiation Protocol. Part 3: Interworking between ISUP and SIP 会话初始协议(sip)技术要求 第3部分:isdn用户部分(isup)和会话初始协议(sip)的互通 |
China Telecommunication
Standards Technical Requirements Session |
English PDF |
| YD/T 1522.2-2006 |
Technical Requirements for Session Initiation Protocol Part 2: Applications about call control based on SIP 会话初始协议(sip)技术要求 第2部分:基于会话初始协议(sip)的呼叫控制的应用 |
China Telecommunication
Standards Technical Requirements Session |
English PDF |
| YD/T 1522.1-2006 |
Technical Requirements for Session Initiation Protocol. Part 1: Basic Session Initiation Protoc 会话初始协议(sip)技术要求 第1部分:基本的会话初始协议 |
China Telecommunication
Standards Technical Requirements Session |
English PDF |
| YD/T 1533.1-2006 |
Technical Requirements for Session Initiation Protocol. Part 1: Basic Session Initiation Protocol 固定网多媒体消息业务技术要求 第1部分:多媒体消息中心(mmsc)设备 |
China Telecommunication
Standards Technical Requirements Session |
English PDF |
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