2 References

23.0143GPPRelease 17Support of Dual Tone Multi-Frequency (DTMF) signallingTS

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.

– References are either specific (identified by date of publication, edition number, version number, etc.) or non‑specific.

– For a specific reference, subsequent revisions do not apply.

– For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.

[1] Void.

[1a] 3GPP TR 21.905: "Vocabulary for 3GPP Specifications".

[2] 3GPP TS 45.002: "Multiplexing and Multiple Access on the Radio Path".

[3] ETSI ES 201 235-1, v1.1.1: "Specification of Dual Tone Multi-Frequency (DTMF); Transmitters and Receivers; Part 1: General".

[4] ETSI ES 201 235-2, v1.2.1: "Specification of Dual Tone Multi-Frequency (DTMF); Transmitters and Receivers; Part 2: Transmitters".

[5] ETSI ES 201 235-3, v1.2.1: "Specification of Dual Tone Multi-Frequency (DTMF); Transmitters and Receivers; Part 3: Receivers".

[6] ITU-T Recommendation H.245: "Control protocol for multimedia communication"