Private Integrated Services Network (PISN);Specification, functional models and information flows;Identification supplementary services (Endorsed by Asociación Espanola de Normalización in April of 2022.)
NORMA vydaná dňa 1.4.2022
Designation standards: UNE-ETS 300173ED2
Publication date standards: 1.4.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE