Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Advice of Charge (AoC) supplementary services [ISO/IEC 15050 (1997), modified]
NORMA vydaná dňa 1.1.1999
Designation standards: ÖNORM EN 301264-V1.1.1
Note: NEPLATNÁ
Publication date standards: 1.1.1999
The number of pages: 62
Approximate weight : 186 g (0.41 lbs)
Country: Austrian technische Norm
Kategória: Technické normy ÖNORM