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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 4311-2023 |
Technical requirements for phone number identification on smart terminals and background servers {译} 智能终端及后台服务端电话号码识别技术要求 |
China Telecommunication Industry
Standards Technical requirements number |
 English PDF |
| YD/T 2944-2023 |
Technical requirements for transmission of calling number between IMS networks {译} IMS网间主叫号码传送技术要求 |
China Telecommunication Industry
Standards Technical requirements number |
English PDF |
| YD/T 4163-2022 |
Technical requirements for non-basic telecom operators to support number portability {译} 非基础电信运营企业支持携号转网的技术要求 |
China Telecommunication Industry
Standards Technical requirements number |
English PDF |
| YD/T 4162-2022 |
Technical requirements for number portability network supervision interface {译} 携号转网监管接口技术要求 |
China Telecommunication Industry
Standards Technical requirements number |
English PDF |
| YD/T 4160-2022 |
Technical Requirements for Acceptance System of Number Portability Transfer Service {译} 携号转网业务受理系统技术要求 |
China Telecommunication Industry
Standards Technical requirements number |
English PDF |
| YD/T 4159-2022 |
Technical requirements for local service management system for number portability transfer {译} 携号转网本地业务管理系统技术要求 |
China Telecommunication Industry
Standards Technical requirements number |
English PDF |
| YD/T 4158-2022 |
Technical Requirements for Network Interworking of Number Portability {译} 携号转网网间互通技术要求 |
China Telecommunication Industry
Standards Technical requirements number |
English PDF |
| 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 Technical requirements number |
English PDF |
| YD/T 4135-2022 |
Technical Requirements for Implementing Number Portability in LTE Networks {译} LTE网络实施号码携带的技术要求 |
China Telecommunication Industry
Standards Technical requirements number |
English PDF |
| YD/T 3789-2020 |
Fixed terminal calling number display technical requirements and test methods {译} 固定终端主叫号码显示技术要求及测试方法 |
China Telecommunication Industry
Standards Technical requirements number |
English PDF |
| YD/T 2533-2013 |
Technical requirements for the protocol of the interface between CSMS an SOA/LSMS for number portabality 网间号码携带集中业务管理系统与业务受理系统/本地业务管理系统接口协议技术要求 |
China Telecommunication
Standards Technical requirements number |
English PDF |
| YD/T 1535-2006 |
Technical Requirements of Equipment Security for PSTN. Calling Number Information 公用电信网设备安全技术要求--主叫用户号码信息 |
China Telecommunication
Standards Technical requirements number |
English PDF |
| YD/T 1388.2-2005 |
Technical requirements of the soft switch based services. Part 2: Number identification services 基于软交换的业务技术要求 第2部分:号码识别类业务 |
China Telecommunication
Standards Technical requirements number |
English PDF |
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