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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 2461-2013 |
Test method of services based on the unified 1MS. Multimedia conferencing service (Release 1) 基于统一ims的业务测试方法 多媒体会议业务（第一阶段） |
China Telecommunication
Standards 1MS |
 English PDF |
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