Integrated Services Digital Network (ISDN) - Signalling System No.7 - Digital cellular telecommunications system (Phase 2) - Application of ISDN User Part (ISUP) .......(abgekürzt)
NORMA vydána dne 1.6.1998
Designation standards: ÖNORM ETS 300646-4
Note: NEPLATNÁ
Publication date standards: 1.6.1998
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: Austrian technische Norm
Kategorie: Technické normy ÖNORM