| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 1157-2022 | English | 349 |
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|
Days<=3
|
(Transmission of calling number between networks)
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YD/T 1157-2022
| Valid |
YD/T 1157-2022
|