UNE-EN 301704V7.1.1

Digital cellular telecommunications system (Phase 2+) (GSM);Adaptive Multi-Rate (AMR) speech transcoding (GSM 06.90 version 7.1.1 Release 1998) (Endorsed by Asociación Espanola de Normalización in December of 2021.)

STANDARD published on 1.12.2021

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The information about the standard:

Designation standards: UNE-EN 301704V7.1.1
Publication date standards: 1.12.2021
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE