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YD/T 1157.2-2003
YD/T 1157.2-2003 The requirements for sending calling party number between networks (Supplementary Ⅱ)
General Product Information
| Document Type | Industry standards-Postal and telecommunications |
|---|---|
| Standard Status | Abolished |
| Standard Code | YD/T 1157.2-2003 |
| CCS | Technical requirements for the interoperability of communication network equipment and communication network interfaces |
| ICS | Integrated Telecommunications System |
| Implement Date | 2003-07-28 |
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