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Content for  TS 43.045  Word version:  16.0.0

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0  ScopeWord‑p. 6

The present document deals with the procedures allowing the technical realization of the Group 3 facsimile Service within the A/Gb mode PLMN using transparent Network support, according to the definition of Teleservice 61 and 62 specified in the TS 22.003.

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]  Void.
TS 22.003: "Teleservices supported by a GSM Public Land Mobile Network (PLMN)".
TS 22.034: "High Speed Circuit Switched Data (HSCSD) - Stage1".
TS 43.010: "GSM Public Land Mobile Network (PLMN) connection types".
TS 23.034: "High Speed Circuit Switched Data (HSCSD) - Stage2.
GSM TS 04.02: "GSM Public Land Mobile Network (PLMN) access reference configuration".
GSM TS 04.08: "Mobile radio interface layer 3 specification".
TS 44.021: "Rate adaption on the Mobile Station - Base Station System (MS - BSS) interface".
TS 27.001: "General on Terminal Adaptation Functions (TAF) for Mobile Stations (MS)".
TS 27.003: "Terminal Adaptation Functions (TAF) for services using synchronous bearer capabilities".
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)".
ITU-T Recommendation T.35: "Procedure for the allocation of ITU-T members' codes".
ITU-T Recommendation F.160 Fascicle II.5: "General operational provision for the international public facsimile".
ITU-T Recommendation T.4 Fascicle VII.3: "Standardization of group 3 facsimile apparatus for document transmission".
ITU-T Recommendation T.30 Fascicle VII.3: "Procedures for document facsimile transmission in the general switched telephone network".
ITU-T Recommendation V.21 Fascicle VIII.l: "300 bits per second duplex modem standardized for use in the general switched telephone network".
ITU-T Recommendation V.24 Fascicle VIII.l: "List of definitions for interchange circuits between data terminal equipment (DTE) and data circuit terminating equipment (DCE)".
ITU-T Recommendation V.25bis Fascicle VIII.l: "Automatic calling and/or answering equipment on the general switched telephone network (GSTN) using the 100 series interchange circuits".
ITU-T Recommendation V.27ter Fascicle VIII.l: "4 800/2 400 bits per second modem standardized for use in the general switched telephone network".
ITU-T Recommendation V.29 Fascicle VIII.l: "9 600 bits per second modem standardized for use on point-to-point 4-wire leased telephone-type circuits".
ITU-T Recommendation V.33 Fascicle VIII.l: "14 400 bits per second modem standardized for use on point-to-point 4-wire leased telephone-type circuits".
ITU-T Recommendation X.300 Fascicle VIII.6: "General principles for interworking between public networks, and between public networks and other networks for the provision of data transmission services".
ITU-T Recommendation V.17: "A 2-wire modem for facsimile applications with rates up to 14 400 bit/s".
TR 21.905: "Vocabulary for 3GPP Specifications".

0.2  Definitions and abbreviationsWord‑p. 7

In addition to those below, abbreviations used in the present document are listed in TR 21.905.
Binary Coded Signalling phase of Facsimile transmission as per ITU-T T.30
Interchange Circuit 105 as per ITU-T V.24
Interchange Circuit 106 as per ITU-T V.24
Interchange Circuit 107 as per ITU-T V.24
Interchange Circuit 108/2 as per ITU-T V.24
Interchange Circuit 109 as per ITU-T V.24
Interchange Circuit 114 as per ITU-T V.24
Interchange Circuit 115 as per ITU-T V.24
The Fax Adaptor specifically located at MT side
The Fax Adaptor specifically located at IWF side
Message phase of Facsimile transmission as per ITU-T T.30
All protocol entities from ITU-T Facsimile Recommendations (T.4 and T.30) apply; in the present document they are referenced to in the same way as in the above ITU-T Recommendations (see also annex I to the present document).

1  Service definitionWord‑p. 8

The fixed network Group 3 Facsimile service, as basically defined in ITU-T Recommendation F.160, is an international telematic service for ISO A4 document transmission between two facsimile stations.
The service specification is comprised of two parts: the control protocol described in ITU-T Recommendation T.30, and the document transmission coding described in ITU-T Recommendation T.4.
The facsimile Teleservice is intended to allow facsimile connections between group 3 apparatus using:
  • a PLMN as a stand alone facility, for mobile to mobile communication;
  • a PLMN to gain access to fixed networks PSTN and ISDN, for mobile to/from land communication.
For this Teleservice, the document coding is as ITU-T Recommendation T.4 with no modifications. The protocol used is ITU-T Recommendation T.30 modified within the PLMN as detailed in the present document.
The interworking between different networks is based on ITU-T Recommendation X.300.
The particular features of this Teleservice are:
  • it uses point-point communication;
  • the information transfer capability is dual "Speech"/"Group 3 Facsimile" for Teleservice 61 and "Group 3 Facsimile" only for Teleservice 62;
  • both mobile originated and terminated calls are supported;
  • the information transfer mode is circuit, duplex, synchronous and symmetric;
  • different end-to-end transfer rates are used within the same call to take advantage of the better radio path error rate;
  • use of a standard synchronous terminal adaptation function (as per TS 27.003) within the MS.

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