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European digital cellular telecommunications system; Half rate speech; Part 2: Half rate speech transcoding (GSM 06.20)
Standard published on 15.12.1995
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Half rate speech; Part 2: Half rate speech transcoding (GSM 06.20 version 4.3.1)
Standard published on 15.5.1998
Selected format: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
Selected format:European digital cellular telecommunications system; Half rate speech; Part 4: Comfort noise aspects for the half rate speech traffic channels (GSM 06.22)
Standard published on 15.12.1995
Selected format:European digital cellular telecommunications system; Half rate speech; Part 5: Discontinuous Transmission (DTX) for half rate speech traffic channels (GSM 06.41)
Standard published on 15.12.1995
Selected format:European digital cellular telecommunications system; Half rate speech; Part 6: Voice Activity Detector (VAD) for half rate speech traffic channels (GSM 06.42)
Standard published on 15.12.1995
Selected format:Digital cellular telecommunications system; Half rate speech; Part 7: ANSI-C code for the GSM half rate speech codec (GSM 06.06)
Standard published on 15.1.1996
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Half rate speech; Part 7: ANSI-C code for the GSM half rate speech codec (GSM 06.06 version 4.2.1)
Standard published on 31.3.1998
Selected format:Digital cellular telecommunications system; Half rate speech; Part 8: Test sequences for the GSM half rate speech codec (GSM 06.07)
Standard published on 15.1.1996
Selected format:Digital cellular telecommunications system (Phase 2) (GSM); Half rate speech; Part 8: Test sequences for the GSM half rate speech codec (GSM 06.07 version 4.2.1)
Standard published on 30.4.1998
Selected format:Latest update: 2026-06-10 (Number of items: 2 281 585)
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