Supplement provides enhancements to Conference Calling to expand and improve the applicability of the ISDN Conference Calling service. Formerly known as T1.647a-1998(R2005).
- Published:
- 12/01/1998
- ANSI:
- ANSI Approved
- Number of Pages:
- 6
- File Size:
- 1 file , 610 KB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
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