| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 1288-2003 | English | 1629 |
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Days<=8
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Technical specification for IP telephony Interworking based on H.323 and SIP
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YD/T 1288-2003
| Valid |
YD/T 1288-2003
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