Corporate telecommunication Networks (CN);Signalling interworking between QSIG and H.323;Call transfer supplementary service [ISO/IEC 21410 (2001), modified] (Endorsed by Asociación Espanola de Normalización in December of 2021.)
NORMA vydána dne 1.12.2021
Designation standards: UNE-EN 301907V1.1.1
Publication date standards: 1.12.2021
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technické normy UNE