Integrated Services Digital Network (ISDN);Teletex end-to-end protocol over the ISDN (Endorsed by Asociación Espanola de Normalización in March of 2022.)
NORMA vydaná dňa 1.3.2022
Designation standards: UNE-ETS 300081ED1
Publication date standards: 1.3.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE