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| International Standard List: Telecommunication systems |
| Title | Standard No. | Implemented On |
| Basic Requirement of Transmission Impaiment Tolerance for Group 3 Document Facsimile on the Telephone Network | YD/T 589-2006 | 2007-1-1 |
| Technical Requirements of Generic Framing Procedure(GFP) | YD/T 1443-2006 | 2006-10-1 |
| Technical requirement and testing methods for the charging performance of exchange-mobile intelligent network part | YD/T 1431-2006 | 2006-10-1 |
| Technical requirements for IP telephony gateway | YD/T 1071-2006 | 2000-9-1 |
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