Private Telecommunication Network (PTN);Inter-exchange signalling protocol Circuit mode basic services (Endorsed by Asociación Espanola de Normalización in April of 2022.)
NORMA vydána dne 1.4.2022
Designation standards: UNE-ETS 300172ED2
Publication date standards: 1.4.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE