Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Circuit-mode basic services [ISO/IEC 11572 (2000) modified]
NORM herausgegeben am 16.6.2003
Designation standards: ETSI EN 300172-V1.5.1
Publication date standards: 16.6.2003
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI