Broadband Integrated Services Digital Network (B-ISDN);Signalling System No.7;B-ISDN User Part (B-ISUP);Part 1: Overview of the B-ISDN network node interface signalling capability set 2, step 1 [ITU-T Recommendation Q.2721.1 (1996)] (Endorsed by Asociación Espanola de Normalización in August of 2021.)
NORMA vydaná dňa 1.8.2021
Designation standards: UNE-EN 301029-1V1.1.2
Publication date standards: 1.8.2021
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE