Integrated Services Digital Network (ISDN) - Syntax-based Videotex lower layers protocols for ISDN packet mode (CCITT Recommendation X.31 Case A and Case B)
NORMA vydána dne 1.8.1993
Designation standards: ÖNORM ETS 300218
Note: NEPLATNÁ
Publication date standards: 1.8.1993
The number of pages: 77
Approximate weight : 231 g (0.51 lbs)
Country: Austrian technische Norm
Kategorie: Technické normy ÖNORM