Integrated Services Digital Network (ISDN);Circuit-mode 64 kbit/s 8 kHz structured bearer service category usable for speech information transfer;Service description (Endorsed by Asociación Espanola de Normalización in March of 2022.)
NORMA vydaná dňa 1.3.2022
Designation standards: UNE-ETS 300109ED1
Publication date standards: 1.3.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE