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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| YD/T 1157.3-2005 |
The requirements for sending calling party number between network Supplementary Ⅲ 网间主叫号码传送(补充件3) |
China Telecommunication
Standards requirements sending |
 English PDF |
| YD/T 1157.2-2003 |
The requirements for sending calling party number between network Supplementary Ⅱ 网间主叫号码的传送(补充件2) |
China Telecommunication
Standards requirements sending |
English PDF |
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