ETSI ETS 300 600-1995 European Digital Cellular Telecommunications System (Phase 2) Signalling Requirements on Interworking between the Integrated Services Digital Network (ISDN) o.pdf

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1、UJ n- O O a * O O m * VI rF w H v) E W m 3400855 003q783 T4 m ETSI ETS 300 600 February 1995 Source: ETSI TC-SMG Reference: DE/SMG-O30903P UDC: 621.396.21 Key words: European digital cellular telecommunications system, Global System for Mobile communications (GSM) European digital cellular telecommu

2、nications system (Phase 2); Signalling requirements on interworking between the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN) and the Public Land Mobile Network (PLMN) (GSM 09.03) ETSI European Telecommunications Standards Institute ETSI Secretariat Postal ad

3、dress: 06921 Sophia Antipolis Cedex - FRANCE Office address: Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE Tel.: + 33 92 94 42 O0 - Fax: + 33 93 65 47 16 European Telecommunications Standards Institute 1995. All rights reserved. No part may be reproduced except as authorised by written p

4、ermission. The copyright and the foregoing restriction on reproduction extend to all media in which the information may be embodied. ETSI ETS*300*b00 95 m 3400855 0034784 630 = Page 2 ETS 300 600: February 1995 (GSM 09.03 version 4.0.3) Whilst every care has been taken in the preparation and publica

5、tion of this document, errors in content, typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to “ETSI Editing and Standards Approval Dept.“ at the address shown on the title page. ETSI ETS%300*600 95 3400855 0034785 577 Page 3 ETS 300 600: February 1995

6、 (GSM 09.03 version 4.0.3) Contents . Foreword 5 1 Scope . 7 2 Normative references 7 3 Definitions and abbreviations 8 4 General signalling requirements . 9 Requirements for the mobile network 9 4.1 5 Impact of the off-air call Set-up (OACSU) on the interworking . 10 5.1 5.2 Outgoing call from a mo

7、bile station . 10 5.3 Incoming call to a mobile station 10 Definition of OACSU . 10 History 11 ETSI ETS*300*b00 95 3400855 0034786 403 Page 4 ETS 300 600: February 1995 (GSM 09.03 version 4.0.3) Blank page - ETSI ETS*300*600 95 W 3400855 0034787 34T m Page 5 ETS 300 600: February 1995 (GSM 09.03 ver

8、sion 4.0.3) Foreword This European Telecommunication Standard (ETS) has been produced by the Special Mobile Group (SMG) Technical Committee (TC) of the European Telecommunications Standards Institute (ETSI). This ETS specifies the signalling requirements on interworking between the Integrated Servic

9、es Digital Network (ISDN) or Public Switched Telephone Network (PSTN) and the Public Land Mobile Network (PLMN) within the European digital cellular telecommunications system (Phase 2). This ETS correspond to GSM technical specification, GSM 09.03 version 4.0.3. The specification from which this ETS

10、 has been derived was originally based on CEPT documentation, hence the presentation of this ETS may not be entirely in accordance with the ETSVPNE rules. Reference is made within this ETS to GSM Technical Specifications (GSM-TS) (NOTE). NOTE: TC-SMG has produced documents which give the technical s

11、pecifications for the implementation of the European digital cellular telecommunications system. Historically, these documents have been identified as GSM Technical Specifications (GSM-TS). These TSs may have subsequently become I-ETSs (Phase 11, or ETSs (Phase 21, whilst others may become ETSI Tech

12、nical Reports (ETRs). GSM-TSs are, for editorial reasons, still referred to in current GSM ETSs. ETSI ETS*300*b00 95 m 3400855 0034788 286 - Page 6 ETS 300 600: February 1995 (GSM 09.03 version 4.0.3) Blank page ETSI ETS*300*600 95 3400855 0034789 332 W Page 7 ETS 300 600: February 1995 (GSM 09.03 v

13、ersion 4.0.3) 1 Scope The purpose of this technical specification is to present the general requirements for the Public Switched Telephone Network (PSTN) and the Integrated Services Digital Network (ISDN) as well as for the mobile network to be met in order to ensure a correct integration of the mob

14、ile service in the fixed network. This technical specification covers only the signalling aspects of the interworking. The service requirements have to be covered in a specific specification: only the signalling impacts have to be dealt with here. 2 Normative references This ETS incorporates by date

15、d and undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this ETS only when inco

16、rporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. i11 i21 i31 I41 GSM O1 .O4 (ETR 100): “European digital cellular telecommunications system (Phase 2); Abbreviations and acronyms“. GSM 03.01 (ETS 300 521 1: “European digital c

17、ellular telecommunications system (Phase 2); Network functions“. CCITT Recommendation Q.701: “Functional description of the message transfer part (MTP) of Signalling System N0.7“. CCITT Recommendation Q.702: “Specifications of Signalling System No. 7 - Signalling data link“. 151 CCITT Recommendation

18、 Q.703: “Signalling link“ i61 CCITT Recommendation Q.704: “Signalling network functions and messages“. VI CCITT Recommendation Q.705: “Signalling network structure“. I81 i 91 i101 I111 CCITT Recommendation 0.706: “Message transfer part signalling performance“. CCITT Recommendation Q.707: “Specificat

19、ions of Signalling System No. 7 - Testing and maintenance“. CCITT Recommendation 0.71 1 : “Functional description of the signalling connection control part“. CCITT Recommendation Q.712: “Definition and function of SCCP messages“. 11 21 CCITT Recommendation Q.7 1 3: “SCCP formats and codes“. ETSI ETS

20、*300*600 95 3400855 0034790 934 Page 8 ETS 300 600: February 1995 (GSM 09.03 version 4.0.3) 11 31 i141 11 51 i1 61 i1 71 CCITT Recommendation Q.714: “Signalling connection control part procedures“. CCITT Recommendation 0.771 : “Specifications of Signalling System No.7; Functional description of tran

21、saction capabilities“. CCITT Recommendation Q.772 (1 988): “Specifications of Signalling System N0.7; Transaction capabilities information element definitions“. CCITT Recommendation 0.773 (1 988): “Specifications of Signalling System No.7; Transaction capabilities formats and encoding“. CCITT Recomm

22、endation 0.774 (1 988): “Specifications of Signalling System No.7; Transaction capabilities procedures“. ETS 300 303: “Integrated Services Digital Network (ISDN); ISDN - Global System for Mobile communications (GSM) Public Land Mobile Network (PLMN) signalling interface“. 3 Definitions and abbreviat

23、ions Abbreviations used in this specification are listed in GSM 01.04. - ETSI ETS*300*600 95 3400855 0014791 870 Page 9 ETS 300 600: February 1995 (GSM 09.03 version 4.0.3) 4 General signalling requirements 4.1 Requirements for the mobile network In order to be integrated in the fixed network the PL

24、MN must comply with the following requirements: a) The Mobile Application Part (MAP) which supports information exchanges between the nodes of the mobile service uses the facilities of Transactions Capabilities (TC) of Signalling System No. 7 (SS7). Therefore the equipments of the mobile network mus

25、t comply with the specifications of the interface between TC and the application user. If TC functions are integrated in the mobile network equipments, the latter must comply with the relevant specifications (CCITT Recommendations (2.771 to Q.774). b) For MAP messages routing purpose, the mobile nod

26、es must provide the Signalling Connection Control Part (SCCP) via TC with an address complying with the relevant specifications (CCITT Recommendations (2.71 1 to Q.714). c) For call Set-up, the Mobiie-services Switching Centres (MSCs) must interface with the fixed exchanges. In the detailed interwor

27、king specifications, the fixed network signalling considered are the SS7 and its User Parts (Telephone User Part (TUP) or Integrated Services Digital Network User Part (ISUP). The MSCs must comply with the same signalling interface specifications as the fixed exchanges. d) The Public Land Mobile Net

28、work (PLMN) and the signalling on the radio path must provide the information needed to ensure a correct interworking with the fixed network. The interworking in the MSCs must occur with a minimum loss of information. e) The PLMN nodes must interface with the SS7 signalling network. For that, they m

29、ust comply with the Message Transfer Part (MTP) specifications (CCITT Recommendations 0.701 to 0.707). f) The signalling interface between ISDN and PLMN is described in ETS 300 303. ETSI ETS*300*600 95 3400855 0034792 707 = Page 10 ETS 300 600: February 1995 (GSM 09.03 version 4.0.3) 5 Impact of the

30、 off-air call Set-up (OACSU) on the interworking The use of OACSU in the PLMN has an impact on the interworking with the fixed network. Both outgoing and incoming calls have to be considered: the consequences are not the same. The use of the OACSU procedure is optional and must be limited to nationa

31、l telephone calls only (see GSM 03.01). 5.1 Definition of OACSU To save the radio resources, the radio traffic channel may be allocated to the communication only when both calling and called parties are present, e. at the answer instant. This method called “Off- Air Call Set-up“ (OACSU) has some imp

32、lication on the interworking with the fixed network. But the consequences are not the same whether the mobile subscriber is the calling or the called party. 5.2 Outgoing call from a mobile station Upon initiation of an outgoing call, a traffic channel is allocated to the communication when the calle

33、d subscribers answer is received in the MSC. In some cases, no idle traffic channel may be available when necessary. Therefore an appropriate announcement must be given to the called party when no idle traffic channel is available within a certain interval upon receipt of the called partys answer. W

34、henever the announcement is used, it must always be played through in its entirety, even if a traffic channel becomes available before it is completed, except if the called party clears, in which case the call should be cleared forward. If the ADDRESS COMPLETE message (ACM) indicates that there will

35、 possibly be no ANSWER message upon the connection of the called party (e.g. ACM without any information), the radio path must be established immediately upon receipt of the ACM. This applies in all cases on receipt of the ADDRESS COMPLETE message in TUP and ISUP (e.g. also in case the value “subscr

36、iber free“ is received. Due to interworking constraints coming from the characteristics of the different signalling systems used in the countries, the OACSU technique should only be used for national calls. 5.3 Incoming call to a mobile station For incoming calls, the impact is not so important, but

37、 some rules must be applied in order to limit the influence on the service quality. Concerning the sending instant of the answer message, the normal operating rules apply. If the call is successfully set-up to the mobile station, the answer message must be sent to the originating exchange only when the traffic channel is established upon recognition of the called party connection. m 3400855 O035093 Lb4 Page 11 ETS 300 600: February 1995 (GSM 09.03 version 4.0.3) February 1995 History First edition ISBN 2-7437-0030-0 Dpt lgal : Fvrier 1995