0 Scope

22.0023GPPCircuit Bearer Services (BS) supported by a Public Land Mobile Network (PLMN)TS

The present document defines a set of Circuit Bearer Services to be provided to PLMN subscribers by a PLMN itself and in connection with other networks. This TS should also be used as a reference for defining the corresponding required mobile network capabilities.

0.1 References

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] TS 41.004: "Digital cellular telecommunications system (Phase 2+); Abbreviations and acronyms".

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

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

[4] TS 27.001: " General on Terminal Adaptation Functions (TAF) for Mobile Stations (MS)".

[5] TS 27.002: " Terminal Adaptation Functions (TAF) for services using asynchronous bearer capabilities".

[6] TS 27.003: " Terminal Adaptation Functions (TAF) for services using synchronous bearer capabilities".

[7] TS 27.005: "Use of Data Terminal Equipment – Data Circuit terminating Equipment (DTE – DCE) interface for Short Message Service (SMS) and Cell Broadcast Service (CBS)".

[8] TS 29.002: " Mobile Application Part (MAP) specification".

[9] TS 29.007: "General requirements on interworking between the Public Land Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN)".

[10] TS 29.010: " Information element mapping between Mobile Station – Base Station System and BSS ‑ Mobile-services Switching Centre (MS – BSS – MSC) Signalling procedures and the Mobile Application Part (MAP)".

[11] TS 29.011: " Signalling interworking for supplementary services".

[12] ITU-T Recommendation V.120: "Support by an ISDN of data terminal equipments with V-series type interface with provision for statistical multiplexing".

[13] TR 21.905: "Vocabulary for 3GPP Specifications"

0.2 Abbreviations

Abbreviations used in this TS are listed in TS 41.004 [1] and TR 21.905 [13].