Integrated Services Digital Network (ISDN) - Signalling System No.7 - ISDN User Part (ISUP) version 3 for the international interface - Part 2: ISDN supplementary services [ITU-T Recommendation Q.730 (1997), modified]
NORMA vydána dne 1.12.1998
Designation standards: ÖNORM EN 300356-2-V3.2.2
Note: NEPLATNÁ
Publication date standards: 1.12.1998
The number of pages: 44
Approximate weight : 132 g (0.29 lbs)
Country: Austrian technische Norm
Kategorie: Technické normy ÖNORM