Integrated Services Digital Network (ISDN) - Signalling System No.7 - ISDN User Part (ISUP) version 3 for the international interface - Part 4: Calling Line Identification Restriction (CLIR) supplementary service [ITU-T Recommendation Q.731, clause 4 (1993), modified]
NORM herausgegeben am 1.12.1998
Designation standards: ÖNORM EN 300356-4-V3.1.3
Note: UNGÜLTIG
Publication date standards: 1.12.1998
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM