Digital cellular telecommunications system (Phase 2+) (GSM); Adaptive Multi Rate (AMR) speech; ANSI-C code for the AMR speech codec (GSM 06.73 version 7.4.1 Release 1998)
STANDARD published on 29.9.2000
Designation standards: ETSI EN 301712-V7.4.1
Publication date standards: 29.9.2000
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: European technical standard
Category: Technical standards ETSI