Integrated Services Digital Network (ISDN) - Signalling System No.7 - ISDN User Part (ISUP) version 3 for the international interface - Part 19: Three-Party (3PTY) supplementary service [ITU-T Recommendation Q.734, clause 2 (1996), modified]
NORMA vydaná dňa 1.12.1998
Designation standards: ÖNORM EN 300356-19-V3.1.3
Note: NEPLATNÁ
Publication date standards: 1.12.1998
The number of pages: 27
Approximate weight : 81 g (0.18 lbs)
Country: Austrian technische Norm
Kategória: Technické normy ÖNORM