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).
“ATIS 1000660.1998(S2018)” has been added to your cart. View cart
ATIS 1000647.a.1998(S2020)
Original price was: $30.00.$15.00Current price is: $15.00.
ISDN – Conference Calling Supplementary Service – Operations Across Multiple Interfaces
The Alliance for Telecommunications Industry Solutions , 12/01/1998
Related products
-
ATIS T1.TR.16-1992
Original price was: $250.00.$125.00Current price is: $125.00. -
ATIS T1.TR.15-1992
Original price was: $60.00.$30.00Current price is: $30.00. -
ATIS 1000627.1993(R2009)
Original price was: $282.00.$141.00Current price is: $141.00. -
ATIS T1.TR.34-1994
Original price was: $370.00.$185.00Current price is: $185.00. -
ATIS T1.TR.31-1994
Original price was: $110.00.$55.00Current price is: $55.00.