Integrated Services Digital Network (ISDN); Signalling System No.7; ISDN User Part (ISUP) version 3 for the international interface; Part 2: ISDN supplementary services [ITU-T Recommendation Q.730 (1997), modified] (Endorsed by AENOR in December of 2004.)
NORM herausgegeben am 1.12.2004
Designation standards: UNE-EN 300356-2V3.2.2
Publication date standards: 1.12.2004
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Kategorie: Technische Normen UNE