Integrated Services Digital Network (ISDN);Advice of Charge: charging information at the end of the call (AOC-E) supplementary service;Service description (Endorsed by Asociación Espanola de Normalización in April of 2022.)
NORMA vydaná dňa 1.4.2022
Designation standards: UNE-ETS 300180ED1
Publication date standards: 1.4.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE