UNE-ETS 300357ED1

Integrated Services Digital Network (ISDN);Completion of Calls to Busy Subscriber (CCBS) supplementary service;Service description (Endorsed by Asociación Espanola de Normalización in July of 2022.)

STANDARD published on 1.7.2022

Spanish -
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The information about the standard:

Designation standards: UNE-ETS 300357ED1
Publication date standards: 1.7.2022
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE