
Private Telecommunication Network (PTN);Specification, functional models and information flows;Call intrusion supplementary service (Endorsed by Asociación Espanola de Normalización in August of 2022.)
STANDARD published on 1.8.2022
Designation standards: UNE-ETS 300425ED1
Publication date standards: 1.8.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE