2 References

26.2023GPPAdaptive Multi-Rate - Wideband (AMR-WB) speech codecInterface to Iu, Uu and NbRelease 17Speech codec speech processing functionsTS

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[1] 3GPP TS 25.415: "Iu Interface CN-UTRAN User plane Protocols".

[2] 3GPP TS 26.201: "AMR Wideband Speech Codec, Frame structure".

[3] 3GPP TS 23.107: "QoS Concept and Architecture".

[5] 3GPP TS 28.062: " In-band Tandem Free Operation (TFO) of Speech Codecs, Stage 3".

[6] 3GPP TS 23.153: "Out of band transcoder control, Stage 2".

[6] 3GPP TS 29.415: "Core Network Nb Interface User Plane Protocols".

[7] ITU-T I.366.2: "AAL type 2 service specific convergence sublayer for trunking".