Specifies procedures for Transcoder Free Operation (TrFO) and Tandem Free Operation (TFO) to avoid speech quality degradation from multiple transcodings in circuit-switched networks.
TS 23.153 (Rel-19) — Out-of-Band Transcoder Control Stage 2. Specifies procedures for Transcoder Free Operation (TrFO) and Tandem Free Operation (TFO) to avoid speech quality degradation from multiple transcodings in circuit-switched networks. Primary function: Procedures. Category: Services (Voice Services). Technology generation: Multi-Gen. Network layer: CoreNetwork.
Complexity level: Advanced. Implementation difficulty: Medium.
3GPP TS 23.153 (Rel-19) is the 3GPP specification for Out-of-Band Transcoder Control Stage 2. Specifies procedures for Transcoder Free Operation (TrFO) and Tandem Free Operation (TFO) to avoid speech quality degradation from multiple transcodings in circuit-switched networks.
TS 23.153 is part of 3GPP Rel-19. The latest known version on 3GPP Explorer is j00.
Procedures.
TS 23.153 belongs to the Services (Voice Services) category of 3GPP specifications. It applies to Multi-Gen networks.
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