European digital cellular telecommunications system (Phase 2);Mobile radio interface layer 3;Supplementary services specification;Formats and coding (GSM 04.80) (Endorsed by Asociación Espanola de Normalización in October of 2022.)
NORMA vydaná dňa 1.10.2022
Designation standards: UNE-ETS 300564ED1
Publication date standards: 1.10.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE