Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Call completion supplementary services [ISO/IEC 13870 (1995) modified] (Endorsed by Asociación Espanola de Normalización in July of 2022.)
NORMA vydána dne 1.7.2022
Designation standards: UNE-ETS 300366ED2
Publication date standards: 1.7.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE