ITU-T Q.48-1989
Demand Assignment Signalling Systems - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements (Study Group XI) 4 pp

Standard No.

ITU-T Q.48-1989

Release Date

1989

Published By

International Telecommunication Union (ITU)

Status

Withdraw

Latest

ITU-T Q.48-1989

Scope

The DA signalling system shall be capable of interworking with all currently standardized CCIIT signalling systems and shall have the capacity to carry all the telephony signals currently provided by these CCI?T signalling systems and shall in addition pr

ITU-T Q.48-1989 history

• 1989 ITU-T Q.48-1989 Demand Assignment Signalling Systems - General Recommendations on Telephone Switching and Signalling - Functions and Information Flows for Services in the ISDN - Supplements (Study Group XI) 4 pp