| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YDN 115.2-1999 | English | RFQ |
ASK
|
Days<=3
|
Test specification for China intelligent network services (wide area Centrex) (internal standard)
|
YDN 115.2-1999
| |
YDN 115.2-1999
|