| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 1481-2006 | English | 1599 |
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Days<=8
|
Technical Requirements of SIP Server Equipment
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YD/T 1481-2006
| Valid |
YD/T 1481-2006
|