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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 3371-2023 |
Test method for interworking gateway equipment between IMS networks of different operators {译} 不同运营商IMS网间互通网关设备测试方法 |
China Telecommunication Industry
Standards IMS gateway |
 English PDF |
| YD/T 3370-2023 |
Technical requirements for interworking gateway equipment between IMS networks of different operators {译} 不同运营商IMS网间互通网关设备技术要求 |
China Telecommunication Industry
Standards IMS gateway |
English PDF |
| YD/T 2944-2015 |
(IMS gateway Caller ID transmission technology requirements) ims网间主叫号码传送技术要求 |
China Telecommunication
Standards IMS gateway |
English PDF |
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