Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Half rate speech transcoding (GSM 06.20 version 5.1.1)
NORMA vydaná dňa 15.5.1998
Designation standards: ETSI ETS 300969-ed.2
Publication date standards: 15.5.1998
The number of pages: 48
Approximate weight : 144 g (0.32 lbs)
Country: European technical standard
Kategória: Technické normy ETSI