Integrated Services Digital Network (ISDN);Circuit-mode multiple-rate unrestricted 8 kHz structured bearer service category;Service description (Endorsed by Asociación Espanola de Normalización in July of 2022.)
NORMA vydána dne 1.7.2022
Designation standards: UNE-ETS 300389ED1
Publication date standards: 1.7.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE