TS Latest: Rel-19 Radio Access 2G

TS 45.009 – GSM AMR Link Adaptation & Control

3GPP TS 45.009 is the 3GPP Technical Specification for GSM AMR Link Adaptation & Control. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.

Specifies requirements for in-call link adaptation and control for GSM Adaptive Multi-Rate speech services, including inband signaling and codec mode adaptation.

Read TS 45.009 →

Document type
Technical Specification
Latest release
Rel-19
Latest version
19.0.0
Series
45 series
Category
Radio Access
Network layer
RAN
Technology
2G

Releases and versions of TS 45.009

ReleaseLatest versionLinks
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 12.1.0 Read · Download (3GPP)
Rel-11 11.0.0 Read · Download (3GPP)
Rel-10 10.0.0 Read · Download (3GPP)
Rel-9 9.1.0 Read · Download (3GPP)
Rel-8 8.0.0 Read · Download (3GPP)

Scope of TS 45.009

Category: Radio Access (Speech Codec Adaptation). Technology generation: 2G. Network layer: RAN.

Who should read this specification?

Implementation notes

Complexity level: Intermediate. Implementation difficulty: Medium.

Key technologies

GSMAMRTFO

Specifications that reference TS 45.009

Other specifications in the 45 series

Related glossary terms

AMRTCHBSTRAUSPECHECHDINFOTCH/AFSTCH/AHSO-TCHUL

Related topics

Lawful InterceptServices & Applications

Frequently asked questions

What is 3GPP TS 45.009?

3GPP TS 45.009 is the 3GPP Technical Specification for GSM AMR Link Adaptation & Control. Specifies requirements for in-call link adaptation and control for GSM Adaptive Multi-Rate speech services, including inband signaling and codec mode adaptation.

Which 3GPP releases include TS 45.009?

TS 45.009 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 45.009 belong to?

TS 45.009 belongs to the Radio Access (Speech Codec Adaptation) category of 3GPP specifications. It applies to 2G networks.

View the full specification with interactive table of contents, version history, and AI analysis.

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