Integrated Services Digital Network (ISDN);Signalling System No.7 (SS7);ISDN User Part (ISUP);Enhancement for support of Number Portability (NP) [ITU-T Recommendation Q.769.1 (2000), modified] (Endorsed by Asociación Espanola de Normalización in January of 2022.)
NORMA vydaná dňa 1.1.2022
Designation standards: UNE-EN 302097V1.2.2
Publication date standards: 1.1.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE