| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 1284-2003 | English | 789 |
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Days<=5
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The technical requirement for quality of communia-cation for inter. public telecom network-call completion rate post dialing delay for telephone call
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YD/T 1284-2003
| Valid |
YD/T 1284-2003
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