Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Circuit-mode basic services [ISO/IEC 11572 (1996) modified]
NORM herausgegeben am 15.9.1997
Designation standards: ETSI EN 300172-V1.4.1
Publication date standards: 15.9.1997
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI