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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| 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 requirement CSMS |
 English PDF |
| YD/T 2532-2013 |
Technical requirement of CSMS of number portability 网间号码携带集中业务管理系统技术要求 |
China Telecommunication
Standards Technical requirement CSMS |
English PDF |
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