
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Circuit-mode basic services [ISO/IEC 11572 (2000) modified]
NORM herausgegeben am 1.9.2003
Designation standards: ÖNORM EN 300172-V1.5.1
Publication date standards: 1.9.2003
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: Austrian technische Norm
Kategorie: Technische Normen ÖNORM