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YD/T 2011-2009 Active
YD/T 2011-2009 Unified IMS-based service technical requirements for call waiting and call hold services (first phase)
General Product Information
| Document Type | Industry standards-Postal and telecommunications |
|---|---|
| Standard Status | Active |
| Standard Code | YD/T 2011-2009 |
| CCS | Various communication business services |
| Implement Date | 2010-01-01 |
Price
$ 20.00
Subtotal
$ 20.00
Tax
$ 0.00
Order Total (incl. tax)
$ 20.00