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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 2293-2011 |
Testing method of proxy call control function (P-CSCF) of the unified IMS (Release 1) 统一ims代理会话控制设备（p-cscf）测试方法（第一阶段） |
China Telecommunication
Standards CSCF |
 English PDF |
| YD/T 2292-2011 |
Test method of interrogating/serving call 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）测试方法（第一阶段） |
China Telecommunication
Standards CSCF |
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 CSCF |
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 CSCF |
English PDF |
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