TS 03.53 – Tandem Free Operation (TFO) Service Description
3GPP TS 03.53 is the 3GPP Technical Specification for Tandem Free Operation (TFO) Service Description. It is part of 3GPP R98 (version 7.0.1).
Defines stage 2 service description for Tandem Free Operation in GSM, enabling direct speech codec communication between mobile stations without transcoding in the network.
Releases and versions of TS 03.53
| Release | Latest version | Links |
|---|---|---|
| R98 | 7.0.1 | Read · Download (3GPP) |
Scope of TS 03.53
Category: Services (Speech Services). Technology generation: 2G. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Other specifications in the 03 series
- TS 03.48 Secured Packets Structure for SIM Management
- TS 03.49 Cell Broadcast Centre BSC Interface Protocol
- TS 03.50 GSM PLMN Speech Transmission Planning
- TS 03.52 GSM Cordless Telephony System Radio Interface
- TS 03.54 Shared Interworking Function (SIWF) for GSM Data Services
- TS 03.56 GSM Cordless Telephony System Stage 2
- TS 03.57 MExE Stage 2 Specification
- TS 03.58 Guidelines for handsfree MS testing and quality
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 03.53?
3GPP TS 03.53 is the 3GPP Technical Specification for Tandem Free Operation (TFO) Service Description. Defines stage 2 service description for Tandem Free Operation in GSM, enabling direct speech codec communication between mobile stations without transcoding in the network.
Which 3GPP releases include TS 03.53?
TS 03.53 is part of 3GPP R98. The latest version on 3GPP Explorer is 7.0.1 (R98).
What category does TS 03.53 belong to?
TS 03.53 belongs to the Services (Speech Services) category of 3GPP specifications. It applies to 2G networks.
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