2 References

22.1733GPPIP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary servicesRelease 17Stage 1TS

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 TR 21.905: "Vocabulary for 3GPP Specifications".

[2] (void)

[3] (void)

[4] 3GPP TS 22.228: "IP multimedia (IM) CN subsystem, stage 1"

[5] ITU-T Recommendation I.210: "Principles of telecommunication services supported by an ISDN and the means to describe them".

[6] 3GPP TS 22.041: "Operator Determined Barring (ODB)"

[7] 3GPP TS 24.173: " IMS Multimedia Telephony Communication Service and Supplementary Services; Stage 3"

[8] 3GPP TS 22.101: "Service principles".

[9] 3GPP TS 22.182: "Customized Alerting Tones (CAT) Requirements; Stage 1".

[10] 3GPP TS 22.183: "Customized Ringing Signal (CRS) Requirements; Stage 1".

[11] ITU-T Recommendation F.703: "Multimedia Conversational Services".

[12] 3GPP TS 22.090 : "Unstructured Supplementary Service Data (USSD); Stage 1".

[13] 3GPP TS 22.001: "Principles of circuit telecommunication services supported by a Public Land Mobile Network (PLMN)".

[14] 3GPP TS 22.030 : " Man-Machine Interface (MMI) of the User Equipment (UE)".

[15] ATIS 1000067.2015, "IP NGN Enhanced Calling Name (eCNAM)"

[16] IETF RFC 8224: "Authenticated Identity Management in the Session Initiation Protocol (SIP)".

[17] ATIS 1000074.2019, "Signature-based Handling of Asserted information using toKENs (SHAKEN)".