TS 26.101 – Generic frame format for AMR and GSM-EFR speech codecs
3GPP TS 26.101 is the 3GPP Technical Specification for Generic frame format for AMR and GSM-EFR speech codecs. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Defines generic frame format (AMR IF1) and octet-aligned format (AMR IF2) for AMR and GSM-EFR codecs to interface speech frames across 3G systems.
Releases and versions of TS 26.101
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.0.0 | Read · Download (3GPP) |
| Rel-17 | 17.0.0 | Read · Download (3GPP) |
| Rel-16 | 16.0.0 | Read · Download (3GPP) |
| Rel-15 | 15.0.0 | Read · Download (3GPP) |
| Rel-14 | 14.0.0 | Read · Download (3GPP) |
| Rel-13 | 13.0.0 | Read · Download (3GPP) |
| Rel-12 | 12.0.0 | Read · Download (3GPP) |
| Rel-11 | 11.0.0 | Read · Download (3GPP) |
| Rel-10 | 10.0.0 | Read · Download (3GPP) |
| Rel-9 | 9.0.0 | Read · Download (3GPP) |
| Rel-8 | 8.0.0 | Read · Download (3GPP) |
Scope of TS 26.101
Category: Services (Speech Codec). Technology generation: 3G. Network layer: Services.
Who should read this specification?
- Device manufacturers
- Network operators
- Researchers and academics
Implementation notes
Complexity level: Advanced. Implementation difficulty: Medium.
Key technologies
Specifications that reference TS 26.101
- TS 25.331 RRC Protocol for UE-UTRAN Radio Interface
- TS 26.244 3GPP File Format (3GP) Specification
- TS 26.071 AMR Speech Codec Introduction
- TS 26.090 AMR Speech Codec Detailed Mapping Specification
- TS 25.323 Packet Data Convergence Protocol (PDCP) Specification
- TS 26.093 SCR operation of AMR codec for UMTS
- TS 26.102 Mapping of AMR and other codecs to interfaces
- TS 26.091 AMR Error Concealment Procedure
- TS 26.092 AMR Comfort Noise for SCR Operation
- TR 26.975 AMR Speech Codec Performance Background
- TR 23.977 Bandwidth/Resource Savings & Speech Quality Requirements
- TS 26.130 RTP Payload Format Testing for 3GPP Codecs
Other specifications in the 26 series
- TS 26.091 AMR Error Concealment Procedure
- TS 26.092 AMR Comfort Noise for SCR Operation
- TS 26.093 SCR operation of AMR codec for UMTS
- TS 26.094 AMR Voice Activity Detector (VAD) Specification
- TS 26.102 Mapping of AMR and other codecs to interfaces
- TS 26.103 3GPP Codec Lists for OoBTC and TrFO
- TS 26.104 AMR Floating-Point Codec Specification
- TS 26.110 3G-324M Multimedia Codecs for Circuit Switched Networks
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 26.101?
3GPP TS 26.101 is the 3GPP Technical Specification for Generic frame format for AMR and GSM-EFR speech codecs. Defines generic frame format (AMR IF1) and octet-aligned format (AMR IF2) for AMR and GSM-EFR codecs to interface speech frames across 3G systems.
Which 3GPP releases include TS 26.101?
TS 26.101 is published in 12 releases, from Rel-8 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 26.101 belong to?
TS 26.101 belongs to the Services (Speech Codec) category of 3GPP specifications. It applies to 3G networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →