Integrated Services Digital Network (ISDN). Signalling System No.7. ISDN User Part (ISUP) version 1. Test specification
NORM herausgegeben am 1.12.1995
Designation standards: STN ETS 300335
Classification mark: 870335
Catalog number: 71411
Publication date standards: 1.12.1995
The number of pages: 122
Approximate weight : 397 g (0.88 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN