UNE-EN 300257V1.3.1

Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Call diversion supplementary service [ISO/IEC 13873 (2003), modified] (Endorsed by Asociación Espanola de Normalización in July of 2021.)

STANDARD published on 1.7.2021

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The information about the standard:

Designation standards: UNE-EN 300257V1.3.1
Publication date standards: 1.7.2021
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE