TS 06.20 – GSM Half Rate Speech Codec Specification
3GPP TS 06.20 is the 3GPP Technical Specification for GSM Half Rate Speech Codec Specification. It is published in 4 releases (Ph2 to R98); the latest version is 7.0.1 in R98.
Defines the half rate speech codec for GSM, including codec algorithms, test methods, and compliance requirements for mobile stations and base stations.
Releases and versions of TS 06.20
| Release | Latest version | Links |
|---|---|---|
| R98 | 7.0.1 | Read · Download (3GPP) |
| R97 | 6.0.1 | Read · Download (3GPP) |
| R96 | 5.1.1 | Read · Download (3GPP) |
| Ph2 | 4.3.1 | Read · Download (3GPP) |
Scope of TS 06.20
Category: Services (Voice Services). Technology generation: 2G. Network layer: UE.
Who should read this specification?
- Network operators
- Device manufacturers
- Regulators and standards bodies
Implementation notes
Complexity level: Advanced. Implementation difficulty: High.
Key technologies
Other specifications in the 06 series
- TS 06.08 GSM Half Rate Speech Codec Performance
- TS 06.10 GSM Full Rate Speech Transcoding
- TS 06.11 DTX Frame Substitution and Muting Procedure
- TS 06.12 GSM Comfort Noise for DTX
- TS 06.21 Frame Substitution and Muting for Half Rate Speech
- TS 06.22 Half Rate Speech DTX Comfort Noise
- TS 06.31 DTX operation for GSM speech channels
- TS 06.32 Voice Activity Detector for DTX
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 06.20?
3GPP TS 06.20 is the 3GPP Technical Specification for GSM Half Rate Speech Codec Specification. Defines the half rate speech codec for GSM, including codec algorithms, test methods, and compliance requirements for mobile stations and base stations.
Which 3GPP releases include TS 06.20?
TS 06.20 is published in 4 releases, from Ph2 to R98. The latest version on 3GPP Explorer is 7.0.1 (R98).
What category does TS 06.20 belong to?
TS 06.20 belongs to the Services (Voice Services) category of 3GPP specifications. It applies to 2G networks.
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