Integrated Services Digital Network (ISDN). Signalling System No.7. ISDN User Part (ISUP) version 3 for the international interface. Part 1: Basic services [ITU-T Recommendations Q.761 to Q.764 (1997) , modified]
NORM herausgegeben am 1.7.2002
Designation standards: STN EN 300356-1-V3.2.2
Classification mark: 870356
Catalog number: 20210
Publication date standards: 1.7.2002
Approximate weight : 300 g (0.66 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN