2 References

24.6293GPPExplicit Communication Transfer (ECT) using IP Multimedia (IM) Core Network (CN) subsystemProtocol specificationRelease 18TS

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 24.229: "Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3".

[2] IETF RFC 3515: "The Session Initiation Protocol (SIP) Refer Method".

[3] IETF RFC 3892: "The Session Initiation Protocol (SIP) Referred-By Mechanism".

[4] IETF RFC 3891: "The Session Initiation Protocol (SIP) "Replaces" Header".

[5] Void.

[6] IETF RFC 3261: "SIP: Session Initiation Protocol".

[7] 3GPP TS 29.228: "IP Multimedia (IM) Subsystem Cx and Dx Interfaces; Signalling flows and message contents".

[7A] 3GPP TS 29.229: "Cx and Dx interfaces based on the Diameter protocol; Protocol details".

[8] 3GPP TS 24.610: "Communication HOLD (HOLD) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".

[9] 3GPP TS 24.605: "Conference (CONF) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".

[10] 3GPP TS 24.628: "Common Basic Communication procedures using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification".

[11] ETSI TS 183 029 V2.5.0: "Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); PSTN/ISDN simulation services: Explicit Communication Transfer (ECT); Protocol specification".

[12] 3GPP TS 24.315: "IP Multimedia Subsystem (IMS) Operator Determined Barring (ODB); Stage 3".

[13] IETF RFC 7090 (April 2014): "Public Safety Answering Point (PSAP) Callback".

[14] IETF RFC 6665: "SIP-Specific Event Notification".

[15] IETF RFC 4538: "Request Authorization through Dialog Identification in the Session Initiation Protocol (SIP)".

[16] IETF RFC 7647 (September 2015): "Clarifications for the Use of REFER with RFC6665".