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TR 25.953 – Transcoder-Free Operation Study

3GPP TR 25.953 is the 3GPP Technical Report for Transcoder-Free Operation Study. It is part of 3GPP Rel-4 (version 4.0.0).

Defines RAN requirements and procedures enabling transcoder-free UMTS speech connections through codec negotiation and end-to-end framing.

Read TR 25.953 →

Document type
Technical Report
Latest release
Latest version
4.0.0
Series
Category
Core Network
Network layer
RAN
Technology
3G

Releases and versions of TR 25.953

ReleaseLatest versionLinks
Rel-4 4.0.0 Read · Download (3GPP)

Scope of TR 25.953

Category: Core Network (Transcoder-Free Operation). Technology generation: 3G. Network layer: RAN.

Who should read this specification?

Implementation notes

Complexity level: Advanced. Implementation difficulty: High.

Key technologies

UMTSIu framingTrFOOoBTCAAL2/ATM

Other specifications in the 25 series

Frequently asked questions

What is 3GPP TR 25.953?

3GPP TR 25.953 is the 3GPP Technical Report for Transcoder-Free Operation Study. Defines RAN requirements and procedures enabling transcoder-free UMTS speech connections through codec negotiation and end-to-end framing.

Which 3GPP releases include TR 25.953?

TR 25.953 is part of 3GPP Rel-4. The latest version on 3GPP Explorer is 4.0.0 (Rel-4).

What category does TR 25.953 belong to?

TR 25.953 belongs to the Core Network (Transcoder-Free Operation) category of 3GPP specifications. It applies to 3G networks.

Now in 3GPP

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

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