Broadband Integrated Services Digital Network (B-ISDN);Signalling System No.7;B-ISDN User Part (B-ISUP) Capability Set 1 (CS1);Supplementary services [ITU-T Recommendation Q.2730 (1995), modified] (Endorsed by Asociación Espanola de Normalización in December of 2022.)
NORMA vydaná dňa 1.12.2022
Designation standards: UNE-ETS 300657ED1
Publication date standards: 1.12.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE