Digital cellular telecommunications system; Enhanced Full Rate (EFR) speech processing functions; General description (GSM 06.51)
STANDARD published on 31.3.1997
Designation standards: ETSI ETS 300723-ed.1
Publication date standards: 31.3.1997
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: European technical standard
Category: Technical standards ETSI