This standard specifies the service capabilities of the Call Hold service within the context of an Integrated Services Digital Network (ISDN). Formerly known as T1.616-1992(R2009).
- Published:
- 06/01/2014
- ANSI:
- ANSI Approved
- Number of Pages:
- 31
- File Size:
- 1 file , 1.3 MB
- Redline File Size:
- 2files, 7.6 MB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
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