| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 2040-2009 | English | 599 |
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Days<=3
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Security requirements of soft switch-based media-gateway
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YD/T 2040-2009
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YD/T 2040-2009
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