UNE-ETS 300356-9ED1

Integrated Services Digital Network (ISDN);Signalling System No.7;ISDN User Part (ISUP) version 2 for the international interface;Part 9: Closed User Group (CUG) supplementary service [ITU-T Recommendation Q.735, clause 1 (1993), modified] (Endorsed by Asociación Espanola de Normalización in June of 2022.)

STANDARD published on 1.6.2022

Spanish -
Print design (ON REQUEST)

The information about the standard:

Designation standards: UNE-ETS 300356-9ED1
Publication date standards: 1.6.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE