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Content for  TS 43.045  Word version:  18.0.0

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0  Scopep. 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  Referencesp. 6

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.
[2]
TS 22.003: "Teleservices supported by a GSM Public Land Mobile Network (PLMN)".
[3]
TS 22.034: "High Speed Circuit Switched Data (HSCSD) - Stage1".
[4]
TS 43.010: "GSM Public Land Mobile Network (PLMN) connection types".
[5]
TS 23.034: "High Speed Circuit Switched Data (HSCSD) - Stage2.
[6]
GSM TS 04.02: "GSM Public Land Mobile Network (PLMN) access reference configuration".
[7]
GSM TS 04.08: "Mobile radio interface layer 3 specification".
[8]
TS 44.021: "Rate adaption on the Mobile Station - Base Station System (MS - BSS) interface".
[9]
TS 27.001: "General on Terminal Adaptation Functions (TAF) for Mobile Stations (MS)".
[10]
TS 27.003: "Terminal Adaptation Functions (TAF) for services using synchronous bearer capabilities".
[11]
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)".
[12]
ITU-T Recommendation T.35: "Procedure for the allocation of ITU-T members' codes".
[13]
ITU-T Recommendation F.160 Fascicle II.5: "General operational provision for the international public facsimile".
[14]
ITU-T Recommendation T.4 Fascicle VII.3: "Standardization of group 3 facsimile apparatus for document transmission".
[15]
ITU-T Recommendation T.30 Fascicle VII.3: "Procedures for document facsimile transmission in the general switched telephone network".
[16]
ITU-T Recommendation V.21 Fascicle VIII.l: "300 bits per second duplex modem standardized for use in the general switched telephone network".
[17]
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)".
[18]
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".
[19]
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".
[20]
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".
[21]
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".
[22]
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".
[23]
ITU-T Recommendation V.17: "A 2-wire modem for facsimile applications with rates up to 14 400 bit/s".
[24]
TR 21.905: "Vocabulary for 3GPP Specifications".
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0.2  Definitions and abbreviationsp. 7

In addition to those below, abbreviations used in the present document are listed in TR 21.905.
BCS
Binary Coded Signalling phase of Facsimile transmission as per ITU-T T.30
CT105
Interchange Circuit 105 as per ITU-T V.24
CT106
Interchange Circuit 106 as per ITU-T V.24
CT107
Interchange Circuit 107 as per ITU-T V.24
CT108.2
Interchange Circuit 108/2 as per ITU-T V.24
CT109
Interchange Circuit 109 as per ITU-T V.24
CT114
Interchange Circuit 114 as per ITU-T V.24
CT115
Interchange Circuit 115 as per ITU-T V.24
FA/MT
The Fax Adaptor specifically located at MT side
FA/IWF
The Fax Adaptor specifically located at IWF side
MSG
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).
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1  Service definitionp. 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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