Private Integrated Services Network (PISN); Inter-exchange signalling protocol; Do not disturb and do not disturb override supplementary services [ISO/IEC 14844 (2003), modified] (Endorsed by Asociación Espanola de Normalización in June of 2020.)
NORMA vydaná dňa 1.6.2020
Designation standards: UNE-EN 300364V1.3.1
Publication date standards: 1.6.2020
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE