| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YDN 126-2009 | English | 839 |
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Days<=6
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Baseline requirements for network and information security of value-added telecommunication services
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YDN 126-2009
| Valid |
YDN 126-2009
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