| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 1911-2009 | English | 919 |
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Security Technical Requirements and Test Methods for Softswitch Services Control Device
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YD/T 1911-2009
| Valid |
YD/T 1911-2009
|