| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 2457.2-2015 | English | RFQ |
ASK
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Days<=3
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((First stage) - Part 2 is based on a unified IMS services test methods multimedia telephony service: call blocking and multi-call service)
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YD/T 2457.2-2015
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YD/T 2457.2-2015
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