This standard describes the ISDN Normal Call Transfer Service in terms of service definition and protocol and procedures needed for implementation. Formerly known as T1.632-1993(R2009).
ATIS 1000632.1993 (R2019)
Original price was: $145.00.$72.00Current price is: $72.00.
ISDN Supplementary Service Normal Call Transfer
The Alliance for Telecommunications Industry Solutions , 11/01/1993
Pages: 33
