Digital cellular telecommunications system - Half rate speech - Substitution and muting of lost frames for half rate speech traffic channels (GSM 06.21 version 5.0.1)
NORMA vydána dne 1.8.1997
Designation standards: ÖNORM ETS 300970
Note: NEPLATNÁ
Publication date standards: 1.8.1997
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Austrian technische Norm
Kategorie: Technické normy ÖNORM