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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 5185-2021 |
IP Multimedia Subsystem (IMS) Engineering Design Specification {译} IP多媒体子系统(IMS)工程设计规范 |
China Telecommunication Industry
Standards IP Multimedia Subsystem |
 English PDF |
| YD 5198-2014 |
(IP Multimedia Subsystem (IMS) core network engineering acceptance Interim Provisions) IP多媒体子系统(IMS)核心网工程验收暂行规定 |
China Telecommunication
Standards IP Multimedia Subsystem |
English PDF |
| YD/T 5185-2010 |
Provisional Design Specifications for IP Multimedia Subsystem (IMS) Engineering ip多媒体子系统(ims)核心网工程设计暂行规定 |
China Telecommunication
Standards IP Multimedia Subsystem |
English PDF |
| YD/T 1801-2008 |
Security Technical Requirements of IP Multimedia Subsystem for 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network(Phase Ⅱ) 2ghz td-scdma/wcdma数字蜂窝移动通信网ip多媒体子系统安全技术要求(第二阶段) |
China Telecommunication
Standards IP Multimedia Subsystem |
English PDF |
| YD/T 1415-2008 |
Security Technical Specification of IP Multimedia Subsystem for 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network 2ghz td-scdma/wcdma数字蜂窝移动通信网ip多媒体子系统安全技术要求(第一阶段) |
China Telecommunication
Standards IP Multimedia Subsystem |
English PDF |
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