Digital cellular telecommunications system (Phase 2+) (GSM); Performance characterization of the GSM Enhanced Full Rate (EFR) speech codec (3GPP TR 46.055 version 17.0.0 Release 17)

Standard published on 3.5.2022

Digital cellular telecommunications system (Phase 2+) (GSM); Performance characterization of the GSM Enhanced Full Rate (EFR) speech codec (3GPP TR 46.055 version 18.0.0 Release 18)

Standard published on 21.5.2024

Digital cellular telecommunications system (Phase 2+) (GSM); Performance characterization of the GSM Enhanced Full Rate (EFR) speech codec (3GPP TR 46.055 version 19.0.0 Release 19)

Standard published on 31.10.2025

Digital cellular telecommunications system (Phase 2+); Performance characterization of the GSM Enhanced Full Rate (EFR) speech codec (3GPP TR 46.055 version 4.0.0 Release 4)

Standard published on 31.3.2001

Digital cellular telecommunications system (Phase 2+); Performance characterisation of the GSM EFR Speech Codec (3GPP TR 46.055 version 5.0.0 Release 5)

Standard published on 30.6.2002

Digital cellular telecommunications system (Phase 2+); Performance characterisation of the GSM EFR Speech Codec (3GPP TR 46.055 version 6.0.0 Release 6)

Standard published on 31.12.2004

Digital cellular telecommunications system (Phase 2+); Performance characterization of the GSM Enhanced Full Rate (EFR) speech codec (3GPP TR 46.055 version 7.0.0 Release 7)

Standard published on 30.6.2007

Digital cellular telecommunications system (Phase 2+); Performance characterization of the GSM Enhanced Full Rate (EFR) speech codec (3GPP TR 46.055 version 8.0.0 Release 8)

Standard published on 6.2.2009

Digital cellular telecommunications system (Phase 2+); Performance characterization of the GSM Enhanced Full Rate (EFR) speech codec (3GPP TR 46.055 version 9.0.0 Release 9)

Standard published on 2.2.2010

Digital cellular telecommunications system (Phase 2+); Enhanced Full Rate (EFR) speech transcoding (3GPP TS 46.060 version 10.0.0 Release 10)

Standard published on 29.4.2011