
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Circuit-mode basic services (ISO/IEC 11572 (1994) modified)
NORMA vydána dne 1.1.1996
Designation standards: ÖNORM ETS 300172
Note: NEPLATNÁ
Publication date standards: 1.1.1996
The number of pages: 137
Approximate weight : 442 g (0.97 lbs)
Country: Austrian technische Norm
Kategorie: Technické normy ÖNORM