ETSI GSM 09 05-1996 Digital Cellular Telecommunications system Interworking between the Public Land Mobile Network (PLMN) and the Packet Switched Public Data Network (PSPDN) for Pass《.pdf

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1、GSM GSM 09.05 December 1996 Version 5.0.0 Source: ETSI TC-SMG Reference: TS/SMG-O40905Q ICs: 33.020 Key words: Digital cellular telecommunications system, Global System for Mobile communications (GSM) GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS Digital cellular telecommunications system; Interworking be

2、tween the Public Land Mobile Network (PLMN) and the Packet Switched Public Data Network (PSPDN) for Packet Assembly/Disassembly (PAD) facility access (GSM 09.05) ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: F-O6921 Sophia Antipolis CEDEX - FRANCE Office addre

3、ss: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE X.400: c=fr, a=atlas, p=etsi, s=cecretariat - Internet: secretariatQetsi.fr Tel.: +33 4 92 94 42 O0 - Fax: +33 4 93 65 47 16 Copyright Notlfication: No part may be reproduced except as authorized by written permission. The copyright a

4、nd the foregoing restriction extend to reproduction in all media. Q European Telecommunications Standards Institute 1996. All rights reserved. STDSETSI GSM 07.05-ENGL 177b m 3400855 OLb3bb1 715 m Page 2 GSM 09.05 version 5.0.0: December 1996 Whilst every care has been taken in the preparation and pu

5、blication of this document, errors in content, typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to “ETSI Editing and Committee Support Dept.“ at the address shown on the title page. STD-ETSI GSM 07-05-ENGL 179b 3400855 OLb3bb2 b51 = Page 3 GSM 09.05 v

6、ersion 5.0.0: December 1996 Contents Foreword . 5 O Scope 7 1 Normative references 7 2 Definitions and abbreviations 8 3 Circuit switched access to a PAD in the PSPDN (Basic PAD access) . 8 3.1 General 8 Home PAD access . 9 Visited PAD access 10 3.2 3.3 4 Dedicated PAD access 10 4.1 Definition 10 4.

7、2 Location of the Dedicated PAD 11 4.2.1 PAD external to the PLMN 11 4.2.2 PAD internal to the PLMN . 11 4.3 GSM profile 11 4.4 Routing to and selection of PAD functions 12 4.4.1 Introduction 12 4.4.2 General selection procedures . 12 4.4.3 Minimum Standard access functionality 12 4.4.4 Additional a

8、ccess functionality . 13 Dedicated PAD functionality 13 Transparent bearer service 13 Non Transparent bearer service 14 Identification and technical aspects of charging 14 4.5 4.6 4.7 4.8 4.9 Supplementary service Interworking 14 Annex 1 (normative): GSM default profile in dedicated PAD access 15 An

9、nex 2 (nonnative): GSM dedicated PAD Profile . 16 Annex 3 (informative): PAD Profiles in ENV 41901 17 Facility requestlindication Codes 18 Annex 4 (informative): History 19 STD-ETSI GSM 07.05-ENGL L77b m 3Li00855 OLb3bb3 578 m Page 4 GSM 09.05 version 5.0.0: December 1996 Blank page STD*ETSI GSM 07-

10、05-ENGL L79b m 3400855 OLb3bb4 424 m Page 5 GSM 09.05 version 5.0.0: December 1996 Foreword This Global System for Mobile communications Technical Specification (GTS) has been produced by the Special Mobile Group (SMG) Technical Committee (TC) of the European Telecommunications Standards institute (

11、ETSI). This GTS defines the interworking functions and requirements to support Packet Assembly/Disassembly (PAD) services within the digital cellular telecommunications system. The contents of this GTS are subject to continuing work within TC-SMG and may change following formal TC-SMG approval. Shou

12、ld TC-SMG modify the contents of this GTS it will then be republished by ETSI with an identifying change of release date and an increase in version number as follows: Version 5.x.y where: y the third digit is incremented when editorial only changes have been incorporated in the specification: the se

13、cond digit is incremented for all other types of changes, .e. technical enhancements, corrections, updates, etc. x The specification from which this GTS has been derived was originally based on CEPT documentation, hence the presentation of this GTS may not be entirely in accordance with the ETSVPNE

14、rules. Page 6 GSM 09.05 version 5.0.0: December 1996 Blank page STD-ETSI GSM 09.05-ENGL L77b 3400855 OLb3bbb 2T7 Page 7 GSM 09.05 version 5.0.0: December 1996 O Scope This Global System for Mobile communications Technical Specification (GTS) identifies the interworking functions and requirements to

15、support Packet Assembly/Disassembly (PAD) services in the PLMN. GSM 09.05 applies to PAD access in order to provide communications with host systems connected to Packet Switched Public Data Network (PSPDN) for Mobile Stations (MS)s. Within this GTS, the requirements for accessing an existing PAD in

16、a PSPDN (basic PAD access) or accessing a dedicated PAD are considered separately. In each case, the general problem of charging is examined. This GTS considers only the access by a MS to a PAD and not the reverse access (.e. only mobile originated calls are supported). 1 Normative references This G

17、TS incorporates by dated 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

18、this GTS only when incorporated in it by amendment or revision, For undated references, the latest edition of the publication referred to applies. GSM O1 .O4 (ETR 350): “Digital cellular telecommunications system (Phase 2+); Abbreviations and acronyms“. I21 CCITT Recommendation E.164: “Numbering pla

19、n for the ISDN era“ 31 41 51 71 PI i91 CCITT Recommendation X.121: “International numbering plan for public data networks“. CCITT Recommendation X.3: “Packet Assembly Disassembly facility (PAD) in a public data network“. CCITT Recommendation X.28: “DTWDCE interface for a start-stop mode data termina

20、l accessing the PAD in a public data network situated in the same country“. CCITT Recommendation X.29: “Procedure for exchange of control information and user data between a PAD and a packet mode DTE“. CCITT Recommendation X.75: “Packet switched signalling system between public networks providing da

21、ta transmission services“. GSM 02.02 (ETS 300 904): “Digital cellular telecommunications system (Phase2+); Bearer Services (BS) supported by a GSM Public Land Mobile Network (PLMN)“. GSM 03.03 (ETS 300 927): “Digital cellular telecommunications system (Phase 2+); Numbering, addressing and identifica

22、tion“. GSM 03.10: “Digital cellular telecommunications system (Phase 2+); GSM Public Land Mobile Network (PLMN) connection types“. GSM 04.08 (ETS 300 940): “Digital cellular telecommunications system (Phase 2+); Mobile radio interface layer 3 specification“. GSM 04.21 (ETS 300 945): “Digital cellula

23、r telecommunications system; Rate adaption on the Mobile Station - Base Station System (MS - BSS) interface“. STD-ETSI GIM 07-05-ENGL 177b 3q00855 O1b3bb7 133 Page 8 GSM 09.05 version 5.0.0: December 1996 i 41 i 51 11 81 GSM 07.01 (ETS 300 91 3): “Digital cellular telecommunications system (Phase 2+

24、); General on Terminal Adaptation Functions (TAF) for Mobile Stations (MS)“. GSM 07.02 (ETS 300 91 4): “Digital cellular telecommunications system (Phase 2+); Terminal Adaptation Functions (TAF) for services using asynchronous bearer capabilities“. GSM 08.20: “Digital cellular telecommunications sys

25、tem; Rate adaption on the Base Station System - Mobile-setvices Switching Centre (BSS - MSC) in terface“. GSM 09.03: “Digital cellular telecommunications system; Signalling requirements on interworking between the integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN)

26、 and the Public Land Mobile Network (PLMN)“. GSM 09.07 (ETS 300 976): “Digital cellular telecommunications system (Phase 2+); General requirements on interworking between the Public Land Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PS

27、TN)“. ENV 41 901 (1 987): “Information systems interconnection - X.29-mode procedures between a packet mode DTE or a PAD and a PAD via a public or private X.25 packet switched network or IS0 8208 packet level entity and IS0 7776 link level entity. X.3 character-mode access via a public or private PA

28、D attached to an X.25 packet switched network or IS08208 packet level entity and IS0 7776 link level entity. X.28 character-mode access via a telephonic circuit or data circuit to a PAD“. 2 Definitions and abbreviations Abbreviations used in this GTS are listed in GSM 01.04. Facility Request: Table

29、09.05/7 (given in annex 4), extracted from CCITT Recommendation X.28 lists the facility requesindication codes. NOTE: The facility “Closed User Group“ is not part of the dedicated PAD access. 3 Circuit switched access to a PAD in the PSPDN (Basic PAD access) 3.1 General The basic PAD access is the a

30、ccess to a X.28 dial in port in a PSPDN without or via one or more transit ISDN or PSTN networks. This access is provided by GSM bearer services 21 - 26. However, it should be noted that the X.28 PAD does not support out-band flow control and does not support 7 bit characters without parity. The gen

31、eral interworking requirements are defined in GSM 09.07. NOTE: In cases where no transit networks are used, the interface between the PLMN and the PAD is outside the scope of this GTS and implementation dependent. STD*ETSI GSM 07-05-ENGL L77b m 3Y00855 Olb3bb8 07T m Page 9 GSM 09.05 version 5.0.0: D

32、ecember 1996 Access at Bearer service Bearer service Mobile in ISDN in PSTN Station (note 1) (note 1) Table 09.05/1: Network interworking requirements for basic PAD access Bearer service in PSPDN Bearer I Service in COUNTRY A (home country) GSM PLMN i.- COUNTRY B (visited country) 22 23 . il 24 25 2

33、6 NOTE 1: if used as a transit network. NOTE 2: The default profile of the accessed PAD applies. 3.2 Home PAD access Home PAD access would normally be available for a mobile subscriber both when he/she is present in the home PLMN and when in a visited PLMN. Figure 09.05/1 illustrates both of these e

34、xamples where he/she is accessing a PAD via the home PSTN. To access the PAD the user would need to be registered with the PSPDN and have hisher own NUI if a specific profile or local charging are required. In this instance to initiate a call to the PAD the mobile subscriber sets up a call to the PS

35、TN number associated with the PAD. The interworking function provides only the necessary modem, RLP (if required) etc., as indicated in the call Set-up message and does not provide any additional functionality associated with PAD access. This access being available to the mobile subscriber from the

36、home PLMN implies the use of a national PSTN call and when in a foreign PLMN the use of an international PSTN call. . PSPDN I I PSTN/ISDN B PSTN/ISDN A 1 I II :. PLMN B Station Stat ion Figure 09.05/1: Home PAD access STDSETSI GSM 09.05-ENGL L77b = 3LIO0855 OLb3bb7 TOb Page 10 GSM 09.05 version 5.0.

37、0: December 1996 3.3 Visited PAD access When the mobile subscriber is within a PLMN in a foreign country an alternative to home PAD access is given in figure 09.05/2. The PAD used in this case is a PAD within the visited country. In this case the mobile subscriber initiates a PSTN call to the PAD in

38、 the visited country, and utilizes the international link within the PSPDN. The mobile subscriber would need to be registered with the visited PSPDN to obtain an NUI if a specific profile or local charging are required, plus needing to know the correct PSTN number for accessing the PAD. The mobile s

39、ubscriber would also need to know the user procedure for connecting to the PAD including the presentation of the NUA (international/national). Again the interworking function would not provide any additional requirements over and above the normal PSTN interworking. COUNTRY A COUNTRY B (home country)

40、 (visited country) . PS PDN PSPDN . Stat ion Figure 09.05/2: Visited PAD Access 4 Dedicated PAD access 4.1 Definition The “dedicated PAD access“ provides the shortest possible connection from the PLMN to a PAD for both home subscribers staying in the home PLMN as well as roaming foreign subscribers

41、in the visited PLMN. The MT or TA does not use the E.164 address of the PAD. A common access procedure as described below being applied by all PLMNs supporting this type of service hides the differences of existing PADS in GSM countries for GSM PLMN subscribers. The mobile subscriber has only a subs

42、cription to his home PLMN for the use of the “dedicated PAD access“. The applicable GSM bearer services are those of the 40-series. The dedicated PAD provides general PAD functions according to CCITT Recommendation X.3, X.28 and X.29 and in addition PLMN specific functions (e.g. identification, prof

43、ile selection) as defined in this specification. In this type of PAD access, the PLMN has direct access to a PAD e.g. dedicated link, etc. In this GTS there is no difference between a PAD which has all its entry parts connected to the PLMN and a PAD which has only some entry ports dedicated to the P

44、LMN. STD-ETSI GSR OS*CI5-ENGL L19b m 3400855 OLb3b70 728 m Page 11 GSM 09.05 version 5.0.0: December 1996 For roaming subscribers, the user accesses a dedicated PAD of the visited PLMN, in that respect GSM 09.05 does not allow access to the dedicated PAD within the home PLMN. In this case only figur

45、e 09.05/2 is valid. In this case, the PAD is either an existing one or one which is provided by the PLMN. It is a network operator option as to which should be provided. When the PA3 is restricted solely to PLMN use then it is defined as a GSM variant PAD. Charging procedures are covered in subclaus

46、e 4.8. It is this type of PAD access and the procedures necessary to invoke it that will be discussed in the rest of this subclause. It is a network operators option as to whether basic or basic and dedicated PAD access should be provided. 4.2 Location of the Dedicated PAD 4.2.1 PAD external to the

47、PLMN In some cases, the dedicated PAD may be physically outside the PLMN (e.g. part of the PSPDN): a) This case takes into account PADs which are not part of the PLMN but are connected to it by dedicated circuits. b) This case takes into account PADs which are not part of the PLMN, but where the PLM

48、N establishes a circuit switched connection to the PAD in the PSTN/ISDN automatically, .e. the user does not enter the directory number of the PAD, only the normal dedicated PAD short code access number. The interface between the PLMN and the PAD (PSPDN) including administrative arrangements is base

49、d on bilateral agreement between network operators. 4.2.2 PAD internal to the PLMN This case takes into account PADs which are part of the PLMN and are connected to the PSPDN or to the ISDN PH via X.25 or X.75. It is possible that each MSC within the PLMN offers PAD access by a PAD integrated in the MSC. 4.3 GSM profile There is a common set of profiles for the dedicated PAD access described in the annexes. The user may use the default profile or may select one of the profiles defined in the annexes or may set individual parameters amongst tho