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European digital cellular telecomminications system. Half rate speech. Part 2: Half rate speech transcoding (GSM 06.20)
Standard published on 1.4.1999
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 1.7.2002
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 1.4.1999
Selected format:European digital cellular telecommunications system. Half rate speech. Part 4: Comfort noise aspects for half rate speech traffic channels (GSM 06.22)
Standard published on 1.4.1999
Selected format:European digital cellular telecommunications system. Half rate speech. Part 5: Discontinuou transmission (DTX) for half rate speech traffic channels (GSM 06.41)
Standard published on 1.4.1999
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 1.4.1999
Selected format:European digital cellular telecommunication system. Half rate speech. Part 7: ANSI-C code for GSM half rate speech codec (GSM 06.06)
Standard published on 1.5.1999
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 1.7.2002
Selected format:European digital cellular telecommunication system. Half rate speech. Part 8: Test sequences for GSM half rate speech codec (GSM 06.07)
Standard published on 1.5.1999
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 1.7.2002
Selected format:Latest update: 2026-07-09 (Number of items: 2 286 317)
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