2 References

22.0873GPPService descriptionStage 1TSUser-to-User Signalling (UUS)

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] 3GPP TS 21.905: "Vocabulary for 3GPP Specifications".

[2] 3GPP TS 22.004: "General on supplementary services.

[3] 3GPP TS 22.030: "Man‑Machine Interface (MMI) of the Mobile Station (MS).

[4] 3GPP TS 22.135: "Multicall stage 1".