Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Circuit-mode basic services [ISO/IEC 11572 (2000) modified] (Endorsed by Asociación Espanola de Normalización in June of 2020.)
NORMA vydána dne 1.6.2020
Designation standards: UNE-EN 300172V1.5.1
Publication date standards: 1.6.2020
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE