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本文(ETSI GSM 03 04-1996 Digital Cellular Telecommunications System Signalling Requirements Relating to Routing of Calls to Mobile Subscribers《数字蜂窝通信系统 关于移动用户呼叫路由的信令技术要求 GSM 03 04(版本5 0.pdf)为本站会员(赵齐羽)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ETSI GSM 03 04-1996 Digital Cellular Telecommunications System Signalling Requirements Relating to Routing of Calls to Mobile Subscribers《数字蜂窝通信系统 关于移动用户呼叫路由的信令技术要求 GSM 03 04(版本5 0.pdf

1、GSM 03.04 November 1 996 Version 5.0.0 Source: ETSI TC-SMG Reference: TS/SMG-O30304Q ICs: 33.020 Key words: Digital cellular telecommunications system, Global System for Mobile communications (GSM) GLOBAL SYSTEM FOR MOBILE COMMNICATIONS Digital cellular telecommunications system; Signalling requirem

2、ents relating to routeing of calls to mobile subscribers (GSM 03.04) ETSI European Telecommunications Standards Institute ETSI Secretariat Postal address: F-O6921 Sophia Antipolis CEDEX - FRANCE Off ice address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE X.400: c=fr, a=atlas, p=et

3、si, s=secretariat - Internet: secretariat etsi.fr Tel.: +33 4 92 94 42 O0 - Fax: +33 4 93 65 47 16 Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. 8 European Telecommunicati

4、ons Standards Institute 1996. All rights resewed. Page 2 GSM 03.04 version 5.0.0: November 1996 Whilst every care has been taken in the preparation and publication of this document, errors in content, typographical or otherwise, may occur. If you have comments concerning its accuracy, please write t

5、o “ETSI Editing and Committee Support Dept.“ at the address shown on the title page. STD.ETS1 GSM 03.0Li-ENGL L77b m 3400855 OL570b Obb Page 3 GSM 03.04 version 5.0.0: November 1996 Contents Foreword . 5 1 2 3 4 5 6 7 8 9 Scope 7 Normative references 7 Definitions and abbreviations 7 General routein

6、g rules . 7 Routeing of a call from a subscriber served by the HPLMN . 8 Routeing of a call from a subscriber in the same country as the HPLMN but not served by the 6.1 6.2 HPLMN 9 Interrogation by the Originating LE 11 Routeing of a call from a subscriber in a different country from the HPLMN 13 In

7、terrogation by a Gateway MSC . 13 Interrogation by the Incoming ISC in the Destination Country . 16 Interrogation by the Outgoing ISC in the Originating Country 18 8.1 Call Forwarding 19 Barring of Incoming Calls . Supplementary Service Incompatibility 20 Interrogation by a Gateway MSC . 9 7.1 7.2 7

8、.3 Impact of supplementary services . 19 8.2 Closed User Group 20 8.3 20 8.4 Unsuccessful call setup . 20 9.1 Roaming Not Allowed 20 9.2 VPLMN Cannot Support The Required Service . 20 9.3 HLR Restart . 20 History 21 Page 4 GSM 03.04 version 5.0.0: November 1996 Blank Page _ STD-ETSI GSM 03.04-ENGL L

9、99b W 3400855 0359073 714 Page 5 GSM 03.04 version 5.0.0: November 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 (ETSI). This

10、 GTS defines the Signalling requirements relating to routeing of calls to mobile subscribers 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. Should TC-SMG modify the contents

11、 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; x the second digit is incremented f

12、or all other types of changes, .e. technical enhancements, corrections, updates, etc. Page 6 i GSM 03.04 version 5.0.0: November 1996 Blank Page - STD-ETSI GSM 03*04-ENGL 1776 3400855 0357073 577 Page 7 GSM 03.04 version 5.0.0: November 1996 1 scope When a subscriber wants to call a mobile station (

13、MS), the network needs to know the location of the called MS in order to route the call to the appropriate Mobile services Switching Centre (MSC) (see GSM 03.12 on location registration). This Global System for Mobile communications Technical Specification (GTS) describes how the routeing process ca

14、n be performed, and considers the effect on the routeing process of the capabilities of the exchanges involved. This GTS assumes that the Mobile Station ISDN Number includes a specific National Destination Code which identifies the Home PLMN (HPLMN) of the called MS (referred to below as “the HPLMN“

15、). If the numbering plan for MSs is fully integrated into the fixed network numbering plan, the method of routeing may be different. In the diagrams in clause 6, the originating local exchange is shown as being part of an ISDN. The same routeing principles apply if the originating local exchange is

16、pari of a PSTN. Short Messages are routed in the same way as circuit-switched calls; the SMS Gateway MSC must be able to interrogate the HLR of the MS for which the short message is intended, in order to route the short message to the visited MSC. 2 Normative references This GTS incorporates by date

17、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 GTS only when inco

18、rporated in it by amendment or revision. For undated references, the latest edition of the publication referred to applies. 131 41 GSM O1 .O4 (ETR 350): “Digital cellular telecommunication system (Phase 2+); Abbreviations and acronyms“. GSM 03.07: “Digital cellular telecommunications system (Phase 2

19、+); Restoration procedures“. GSM 03.1 2: “Digital cellular telecommunications system; Location registration procedures“. GSM 09.02 (ETS 300 974): “Digital cellular telecommunications system (Phase 2+); Mobile Application Part (MAP) specification“. 3 Definitions and abbreviations Abbreviations used i

20、n this specification are listed in GSM 01.04. 4 General routeing rules The number dialled by the calling subscriber contains no indication of the location of the called MS. In order to route the call to the MS the network must be aware of the location of the MS and the routeing address to be used. T

21、he routeing address is the Mobile Station Roaming Number (MSRN); the only network entity which can provide the MSRN is the Home Location Register (HLR) of the HPLMN, hence in order to route the call to the visited MSC (VMSC) where the called MS is located it is necessary to interrogate the HLR. The

22、preferred arrangement for interrogation of the HLR is to direct the call to a Gateway MSC (GMSC) which is pari of the HPLMN. This simplifies the process of charging the called subscriber correctly if the call has to be re-routed because the called MS has roamed to a different PLMN or if the call has

23、 to be forwarded. STD-ETSI GSM 03-0q-ENGL L79b 3400855 0359074 423 m Page 8 GSM 03.04 version 5.0.0: November 1996 The consequence of this is that the preferred signalling procedure is as follows: i) When a subscriber wants to call an MS he dials the MSISDN of the called MS. ii) The originating loca

24、l exchange (LE), or a transit exchange, analyses the dialled number and recognizes the NDC which identifies the HPLMN. If the calling subscriber is in a different country from the called MS, this analysis will in general not be performed by the originating LE; when the international prefix is recogn

25、ized, the call is routed to an outgoing International Switching Centre (ISC) without any further analysis, and the incoming ISC in the destination country recognizes the NDC of the HPLMN. iii) The call is directed to a GMSC in the HPLMN. The GMSC interrogates the HLR, which returns the MSRN for the

26、called MS. The HLR obtains the MSRN by interrogating the VLR where the called MS is currently registered. This procedure uses the Mobile Application Part of Signalling System CCITT No 7 (see Technical Specification GSM 09.02). iv) The GMSC uses the MSRN to route the call to the VMSC. Clause 5 descri

27、bes the routeing of a call from a subscriber served by the HPLMN. Clause 6 describes the routeing of a call from a subscriber in the same country as the HPLMN, but not served by the HPLMN. Clause 7 describes the routeing of a call from a subscriber in a different country from the HPLMN. 5 Routeing o

28、f a call from a subscriber served by the HPLMN If the calling subscriber is served by an exchange which is part of the HPLMN, the configuration is as shown in figure 1. The originating MSC is able to interrogate the HLR for an MSRN, and the call is routed within the PLMN. If the called MS has roamed

29、 to another PLMN the originating MSC routes the call to the visited PLMN (VPLMN) as shown in figure 2. Figure 1 : Call from a subscriber in the HPLMN of the called MS - STD*ETSI GSM O3.09-ENGL L97b O 3900855 0357075 3bT Page 9 GSM 03.04 version 5.0.0: November 1996 Figure 2: Call from a subscriber i

30、n the HPLMN of the called MS; called MS roamed to another PLMN 6 Routeing of a call from a subscriber in the same country as the HPLMN but not served by the HPLMN This clause considers two configurations: where the HLR is interrogated by a gateway exchange which is part of the HPLMN (the preferred c

31、onfiguration), and where the HLR is interrogated by the originating LE. 6.1 Interrogation by a Gateway MSC If the HLR is interrogated by a gateway exchange which is part of the HPLMN, the configuration is as shown in figure 3. The call is handled as described in clause 4. If the called MS has roamed

32、 outside its HPLMN the GMSC routes the call to the visited PLMN (VPLMN) as shown in figure 4. Page 10 GSM 03.04 version 5.0.0: November 1996 Figure 3: Call from a subscriber in the HPLMN country of the called MS; interrogation by GMSC in the HPLMN Page 11 GSM 03.04 version 5.0.0: November 1996 Figur

33、e 4: Call from a subscriber in the HPLMN country of the called MS; interrogation by GMSC in the HPLMN; called MS roamed to another PLMN 6.2 Interrogation by the Originating LE If the HLR is interrogated by the originating LE, the configuration is as shown in figure 5. Aiter the HLR has returned the

34、MSRN to the originating LE, the LE routes the call to the VMSC. If the called MS has roamed outside its HPLMN the originating LE routes the call to the visited PLMN (VPLMN) as shown in figure 6. In this case, the routeing for the call does not pass through the HPLMN. Page 12 GSM 03.04 version 5.0.0:

35、 November 1996 PLMN Figure 5: Call from a subscriber in the HPLMN country of the called MS; interrogation by originating LE M Interrogate / I VMSC I w HPLMN Figure 6: Call from a subscriber in the HPLMN country of the called MS; interrogation by originating LE; called MS roamed to another PLMN Page

36、13 GSM 03.04 version 5.0.0: November 1996 7 Routeing of a call from a subscriber in a different country from the HPLMN This clause considers three configurations: where the HLR is interrogated by a gateway exchange which is part of the HPLMN (the preferred configuration), where the HLR is interrogat

37、ed by the incoming ISC in the country of the HPLMN, and where the HLR is interrogated by the outgoing ISC in the country of the calling subscriber. 7.1 Interrogation by a Gateway MSC If the HLR is interrogated by a gateway exchange which is part of the HPLMN, the configuration is as shown in figure

38、7. The call is handled as described in clause 4. If the called MS has roamed outside its HPLMN country the GMSC routes the call to the visited PLMN (VPLMN) via a second international route, as shown in figure 8. STD-ETSI GSM 03-04-ENGL L77b 3400855 OL57080 727 Page 14 GSM 03.04 version 5.0.0: Novemb

39、er 1996 Figure 7: Call from a subscriber in a different country from the called MS; interrogation by GMSC in the HPLMN STD-ETSI GSM 03-09-ENGL L77b m 3900855 Ol5708l bb3 m Page 15 GSM 03.04 version 5.0.0: November 1996 Figure 8: Call from a subscriber in a different country from the called MS; inter

40、rogation by GMSC in the HPLMN; called MS roamed to another PLMN - STD*ETSI GSM 03.04-ENGL 377b 3400855 0357082 5TT = Page 16 GSM 03.04 version 5.0.0: November 1996 7.2 Interrogation by the Incoming ISC in the Destination Country If the HLR is interrogated by the incoming ISC in the HPLMN country, th

41、e configuration is as shown in figure 9. After the HLR has returned the MSRN to the incoming ISC, the incoming ISC routes the call to the VMSC. If the called MS has roamed to another country the incoming ISC routes the call to the visited PLMN (VPLMN) as shown in figure 10. In this case, the routein

42、g for the call does not pass through the HPLMN. I Figure 9: Call from a subscriber in a different country from the called MS; interrogation by incoming ISC Page 17 GSM 03.04 version 5.0.0: November 1996 Figure 10: Call from a subscriber in a different country from the called MS; interrogation by inc

43、oming ISC; called MS roamed to another PLMN STD.ETS1 GSM 03.04-ENGL 19b m 3400855 0159084 372 Page 18 GSM 03.04 version 5.0.0: November 1996 7.3 Interrogation by the Outgoing ISC in the Originating Country If the HLR is interrogated by the outgoing ISC in the originating subscribers country, the con

44、figuration is as shown in figure 11. After the HLR has returned the MSRN to the outgoing ISC, the outgoing ISC routes the call to the VMSC via an incoming ISC in the HPLMN country. If the called MS has roamed to another country the outgoing ISC routes the call to the visited PLMN (VPLMN) as shown in

45、 figure 12. In this case, the routeing for the call does not pass through the HPLMN country. Figure 11 : Call from a subscriber in a different country from the called MS; interrogation by outgoing ISC Page 19 GSM 03.04 version 5.0.0: November 1996 Figure 12: Call from a subscriber in a different cou

46、ntry from the called MS; interrogation by outgoing ISC; called MS roamed to another PLMN 8 Impact of supplementary services 8.1 Call Forwarding If Call Forwarding Unconditional is active, the HLR returns the forwarded-to number in response to the interrogation. The exchange which interrogated the HL

47、R routes the call to the forwarded-to number; if the forwarded-to number identifies a mobile subscriber then the call will be routed from the interrogating exchange as described above. If the called MS is marked as detached, the VLR returns an “absent subscriber“ error in response to the request for

48、 an MSRN. If Call Forwarding on Mobile Subscriber Not Reachable is active, the HLR returns the forwarded-to number in response to the interrogation. The exchange which interrogated the HLR routes the call to the forwarded-to number; if the forwarded-to number identifies a mobile subscriber then the

49、call will be routed from the interrogating exchange as described above. In other cases where a conditional Call Forwarding service (on MS busy, on no reply or on MS not reachable) is active, the call forwarding is invoked at the VMSC as a result of the call setup attempt there after the call has been routed to the VMSC as described above. Page 20 GSM 03.04 version 5.0.0: November 1996 8.2 Closed User Group If the called MS is a member of a Closed User Group (CUG) the CUG parameters are stored in the HLR. When the HLR receives an interrogation to route a

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