| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 941-1997 | English | RFQ |
ASK
|
Days<=3
|
ISDN user-network interface supplementary service conformance testing specification
|
YD/T 941-1997
| |
YD/T 941-1997
|