Integrated Services Digital Network (ISDN);Circuit mode structured bearer service category usable for 3,1 kHz audio information transfer;Terminal requirements necessary for end-to-end compatibility (Endorsed by Asociación Espanola de Normalización in March of 2022.)
NORMA vydaná dňa 1.3.2022
Designation standards: UNE-ETS 300084ED1
Publication date standards: 1.3.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE