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ETSI - European Telecommunication Standard Institute(ETSI) produces globally-applicable standards for information and telecommunication technologies (ICT) including land, mobile, radio, converged, broadcast and internet technologies.
Digital cellular telecommunications system (Phase 2+) (GSM); ANSI-C code for the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.53 version 7.0.1 Release 1998)
Standard published on 12.1.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); ANSI-C code for the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.53 version 8.0.1 Release 1999)
Standard published on 15.11.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Test sequences for the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.54 version 5.1.1)
Standard published on 28.2.1998
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Test sequences for the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.54 version 6.0.1 Release 1997)
Standard published on 1.9.1999
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Test sequences for the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.54 version 7.0.1 Release 1998)
Standard published on 12.1.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Test sequences for the GSM Enhanced Full Rate (EFR) speech codec (GSM 06.54 version 8.0.1 Release 1999)
Standard published on 15.11.2000
Selected format:Digital cellular telecommunications system; Enhanced Full Rate (EFR) speech transcoding (GSM 06.60)
Standard published on 31.3.1997
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Enhanced Full Rate (EFR) speech transcoding (GSM 06.60 version 5.2.1)
Standard published on 16.7.1999
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Enhanced Full Rate (EFR) speech transcoding; (GSM 06.60 version 6.0.0 Release 1997)
Standard published on 12.1.2000
Selected format:Digital cellular telecommunications system (Phase 2+) (GSM); Enhanced Full Rate (EFR) speech transcoding (GSM 06.60 version 7.0.2 Release 1998)
Standard published on 13.12.1999
Selected format:Latest update: 2025-07-02 (Number of items: 2 207 218)
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