| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 1248.1-2003 | English | 609 |
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Days<=4
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Short Message Service Based on PSTN. Part 1: Technical Requirements and Testing Methods of Short Message Terminal Equipment
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YD/T 1248.1-2003
| Valid |
YD/T 1248.1-2003
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