Integrated Services Digital Network (ISDN). Signalling system No. 7. ISDN User Part (ISUP) version 2 for the international interface. Part 6: Connected Line Identification Restriction (COLR) supplementary service [ITU-T Recommendation Q.731, clause 6 (1993), modified]
NORM herausgegeben am 1.3.1996
Designation standards: ČSN ETS 300356-6
Classification mark: 877068
Catalog number: 19322
Publication date standards: 1.3.1996
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN