European digital cellular telecommunications system; Half rate speech; Part 3: Substitution and muting of lost frames for half rate speech traffic channels (GSM 06.21)
STANDARD published on 15.12.1995
Designation standards: ETSI ETS 300581-3-ed.1
Publication date standards: 15.12.1995
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: European technical standard
Category: Technical standards ETSI