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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 1520-2006 |
Interoperability Specification and test measurement for H.323 based VoIP accessing equipment ip电话接入设备互通技术要求和测试方法--h.323协议 |
China Telecommunication
Standards accessing |
 English PDF |
| YD/T 1519-2006 |
Interoperability Specification and Test Measurement for VoIP accessing Equipment based on MGCP ip电话接入设备互通技术要求和测试方法--媒体网关控制协议(mgcp) |
China Telecommunication
Standards accessing |
English PDF |
| YD/T 1518-2006 |
Interoperability Specification and Test Measurement for VoIP accessing Equipment Based H.248 ip电话接入设备互通技术要求和测试方法--h.248协议 |
China Telecommunication
Standards accessing |
English PDF |
| YD/T 938-1997 |
Technical requirements and verification methods for POS accessing to the network 销售点终端(pos)入网技术要求和检测方法 |
China Telecommunication
Standards accessing |
English PDF |
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