| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| YD/T 2975-2015 | English | 799 |
Add to Cart
|
Days<=5
|
(Unified IMS network supports multi-mode single standby voice call continuity of the technical requirements)
|
YD/T 2975-2015
| Valid |
YD/T 2975-2015
|