Digital cellular telecommunications system (Phase 2+) (GSM); Half rate speech; Substitution and muting of lost frames for half rate speech traffic channels (GSM 06.21 version 6.0.1 Release 1997)
NORMA vydaná dňa 4.6.1999
Designation standards: ETSI EN 300970-V6.0.1
Publication date standards: 4.6.1999
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: European technical standard
Kategória: Technické normy ETSI