Private Integrated Services Network (PISN). Inter-exchange signalling protocol. Circuit-mode basic services [ISO/IEC 11572 (1996) modified]
NORM herausgegeben am 1.7.2002
Designation standards: STN EN 300172-V1.4.1
Classification mark: 870172
Catalog number: 87898
Publication date standards: 1.7.2002
Approximate weight : 300 g (0.66 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN