Digital cellular telecommunications system (Phase 2+) - Adaptive Multi-Rate (AMR) speech transcoding (GSM 06.90 version 7.2.1 Release 1998).
STANDARD published on 1.3.2004
Designation standards: DIN EN 301704:2004-03
Publication date standards: 1.3.2004
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: German technical standard
Category: Technical standards DIN
Digitales zellulares Funkkommunikationssystem (Phase 2+) - Sprachtranscodierung mit adaptiver Mehrfachrate (AMR) (GSM 06.90 Version 7.2.1 Ausgabe 1998).