| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 2887-2015 | English | 399 |
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Days<=4
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(Emergency call service test method (first stage) is based on a unified IMS)
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YD/T 2887-2015
| Valid |
YD/T 2887-2015
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