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ETSI TS 102 424-2005 Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) Requirements of the NGN network to support Emergency Communic_1.pdf

1、 ETSI TS 102 424 V1.1.1 (2005-09)Technical Specification Telecommunications and Internet converged Services andProtocols for Advanced Networking (TISPAN);Requirements of the NGN network to supportEmergency Communication from Citizen to AuthorityETSI ETSI TS 102 424 V1.1.1 (2005-09) 2 Reference DTS/T

2、ISPAN-01019-EMTEL Keywords emergency, service ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice I

3、ndividual copies of the present document can be downloaded from: http:/www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Doc

4、ument Format (PDF). In case of dispute, the reference shall be the printing on ETSI printers of the PDF version kept on a specific network drive within ETSI Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the

5、 current status of this and other ETSI documents is available at http:/portal.etsi.org/tb/status/status.asp If you find errors in the present document, please send your comment to one of the following services: http:/portal.etsi.org/chaircor/ETSI_support.asp Copyright Notification No part may be rep

6、roduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2005. All rights reserved. DECTTM, PLUGTESTSTM and UMTSTM are Trade Marks of ETSI registered for the benefit of its Mem

7、bers. TIPHONTMand the TIPHON logo are Trade Marks currently being registered by ETSI for the benefit of its Members. 3GPPTM is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners. ETSI ETSI TS 102 424 V1.1.1 (2005-09) 3 Contents Intellectual Propert

8、y Rights4 Foreword.4 1 Scope 5 2 References 5 3 Definitions and abbreviations.5 3.1 Definitions5 3.2 Abbreviations .6 4 Emergency Sessions Requirements6 4.1 General Requirements 6 4.1.1 Identification of emergency numbers .7 4.1.2 Location information derivation and handling7 4.1.3 Domains priority

9、and selection for NGN Terminal attempts to emergency call.8 4.2 Requirements for an PSTN/ISDN Emulation Subsystem and Simulation services in the IMS providing Emergency calls .8 4.3 Requirements for an IMS Subsystem Emergency Sessions .8 4.4 Emergency Calls in the PS CN Domain.9 4.5 Emergency Calls

10、when Attached via an I-WLAN .9 History 10 ETSI ETSI TS 102 424 V1.1.1 (2005-09) 4 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI me

11、mbers and non-members, and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/webapp.

12、etsi.org/IPR/home.asp). Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,

13、essential to the present document. Foreword This Technical Specification (TS) has been produced by ETSI Technical Committee Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN). ETSI ETSI TS 102 424 V1.1.1 (2005-09) 5 1 Scope The present document contains

14、 the requirements of a NGN to support emergency communications (EMTEL) from the citizen to the authority. The requirements are independent of the NGN subsystem and transport layer unless specifically referred to. 2 References The following documents contain provisions which, through reference in thi

15、s text, constitute provisions of the present document. References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For a specific reference, subsequent revisions do not apply. For a non-specific reference, the latest version applies. Re

16、ferenced documents which are not found to be publicly available in the expected location might be found at http:/docbox.etsi.org/Reference. 1 Directive 2002/21/EC of the European Parliament and of the Council of 7 March 2002 on a common regulatory framework for electronic communications networks and

17、 services (Framework Directive). NOTE: See Article 19. 2 Directive 2002/22/EC of the European Parliament and of the Council of 7 March 2002 on universal service and users rights relating to electronic communications networks and services (Universal Service Directive). 3 Directive 2002/58/EC of the E

18、uropean Parliament and of the Council of 12 July 2002 concerning the processing of personal data and the protection of privacy in the electronic communications sector (Directive on privacy and electronic communications). 4 ETSI SR 002 180: “Requirements for communication of citizens with authorities

19、/organizations in case of distress (emergency call handling)“. 5 ETSI TS 124 008: “Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 (3GPP TS 24.008)“. 3 Definitions

20、and abbreviations 3.1 Definitions For the purposes of the present document, the following terms and definitions apply: emergency session: session setup from the user to the authority for a 112 type call/session ISIM module: software version of the IMS SIM hardware in 3GPP NGN Terminal: device allowi

21、ng a user access to NGN services ETSI ETSI TS 102 424 V1.1.1 (2005-09) 6 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: 3GPP 3rdGeneration Partnership Project CLI Calling Line Identity CN Circuit switched Network ECC Emergency Control CentreIMS IP Mult

22、imedia Subsystem IP Internet Protocol ISDN Integrated Services Digital Network ISIM IMS Services Identity Module MMI Man Machine Interface NGN Next Generation Network PSAP Public Safety Answering Point PSTN Public Switch Telephone Network SDP Session Description Protocol SIP Session Initiated Protoc

23、ol URI Uniform Resource Identifier 4 Emergency Sessions Requirements 4.1 General Requirements It shall be possible to establish a session for an emergency speech call. These Emergency calls shall be routed to the emergency services in accordance with the national regulations of where the caller is l

24、ocated which may require that these calls receive a higher level of priority than a normal communication. An emergency call may be allowed to be establish without the need to “dial“ a dedicated number to avoid a mis-connection in the nomadic case, e.g. the use of entities such as menu, by use of a “

25、red button“ may be deployed. Emergency Calls may be supported without a dedicated authentication device or procedure being present for this session. NOTE: It will be left to the national authorities to decide whether the network should accept emergency calls without the dedicated authentication devi

26、ce or procedure being present for this session. It may be possible to initiate emergency calls to different emergency call centres, depending on the type of emergency. When using the unique European emergency number 112 the call will be handled first by the PSAP and then forwarded to the appropriate

27、 ECC. The following are examples of 112 emergency calls: Police. Ambulance. Fire Brigade. Marine Guard. Mountain Rescue. Common emergency answering point. The Man Machine Interface (MMI) on specific NGN Terminal may be specified by the regulatory authority in which the customers service contract is

28、agreed. This interface is then stored on this NGN Terminal and this shall be deployed whenever an emergency call/session is attempted. It maybe possible to tie any emergency call number, specified in the preferred emergency call MMI(s) above, to any single emergency call type or to any combination o

29、f emergency types. The association between emergency numbers and emergency call type maybe able to be programmed on the NGN Terminal as specified nationally by the regulatory authority where the customers service contract is agreed. ETSI ETSI TS 102 424 V1.1.1 (2005-09) 7 Considering the “Directive

30、2002/21/EC on a common regulatory framework for electronic communications and services (the “Framework Directive“), and in particular Article 19“. European Law 1 requires that 112 Emergency Voice services are available across the European Union, It is noted that in some countries (e.g. Germany) this

31、 code does not translate to the Police, where as in other counties (e.g. Italy) this is always delivered to the Police who include other Emergency services. In other countries 112 is delivered to a PSAP that offer a number of services. EXAMPLE: 19 Police (Albania). 100 Police and Fire Brigade (Greek

32、 cities). 100 Ambulance and Fire Brigade (Belgium). 110 Police (Germany). 112 Police and Ambulance (Italy). 112 General emergency call, all categories (Sweden). 115 Fire Brigade (Italy). 144 Ambulance (Austria). 911 Emergency Voice Access (North America). 999 Emergency Voice Service (UK/Eire). The s

33、erving network may download additional emergency numbers to the NGN Terminal in order to ensure that local emergency numbers are known to the NGN Terminal. The NGN Terminal shall regard these emergency numbers as valid in that country only and shall discard them when a new country is entered. 4.1.1

34、Identification of emergency numbers To handle nomadicity, the NGN Terminal shall be able to place calls on a locally supported Emergency number, it should be able store Emergency numbers, and in the case of a SIP Terminal, to store Emergency SIP URIs. When an Emergency call or session is required, t

35、he correct Number/URI is presented to the network on the basis of national knowledge and information made available at the Access to the network. In Europe, this shall be 112, and optionally a national possibly service specific number. Additional the NGN Terminal may store emergency numbers that may

36、 have been downloaded by the serving network. 4.1.2 Location information derivation and handling The location information shall 2 be derived from the known information available in the network, where possible. Upon initiating the emergency session the available location information from the network

37、and/or terminal shall be sent to the PSAP with the set-up of the session. The location information is an indication of such information as geodatic, network attachment, and/or postal address. If all location information is not available at the time of the set-up of the emergency session then what is

38、 available is sent and the network may use other positioning means to obtain other location information. This location information shall be identified as its to the origin, such that all the NGN Terminal derived location information is indicated to the emergency authority. The NGN Terminal provided

39、Location Information is indicated such that the origin of the information can be verified. The location information is sent to appropriate emergency authority upon a request from this authority. The storage of this location information by the network beyond the end of the call/session, and all requi

40、red functions for this, is a national matter. The location information shall be treated as private information 3 and as such it is subject to the privacy regulation of data as specified by the regulatory authority where the session is initiated. This may include any authorization and security proced

41、ures and obligations of the customer, NGN Terminal and emergency authority. ETSI ETSI TS 102 424 V1.1.1 (2005-09) 8 4.1.3 Domains priority and selection for NGN Terminal attempts to emergency call A PSTN/ISDN emulation subsystem and IMS subsystem capable NGN Terminal attempting an emergency call sha

42、ll give priority to the PSTN/ISDN emulation subsystem domain. In case where the call attempt in the PSTN/ISDN emulation subsystem domain fails, the NGN Terminal should automatically make a second attempt in the IMS subsystem domain, where the NGN Terminal is facilitated and attached to both domains.

43、 In the case where the NGN Terminal cannot support the IMS subsystem capabilities but is able to support the PSTN/ISDN emulation subsystem and the emergency call attempt in this domain fails the call is rejected and an indication to try again given to the caller. 4.2 Requirements for an PSTN/ISDN Em

44、ulation Subsystem and Simulation services in the IMS providing Emergency calls A PSTN/ISDN emulation subsystem and simulation services in the IMS shall support the emergency communication service as defined in SR 002 180 4. This clause mandates Emergency Voice services as described in 1. The PSAP/EC

45、C is assumed to be either in the PSTN/ISDN network or at least inter-worked to by a Media and boarder gateways and as such is subject to the same requirements as above. 4.3 Requirements for an IMS Subsystem Emergency Sessions This clause deals with Evolutionary services where Emergency sessions are

46、established from a SIP Enabled terminal to a SIP enabled Emergency Control Centre, via a SIP enabled PSAP. Where the SIP enabled PSAP is viewed as a SIP Application Server in the IMS; the PSAP may select the appropriate ECC on the bases on the service requested in the Session Request (e.g. the SDP p

47、ayload in the SIP INVITE). Where the PSAP is an enhanced termination Similar-forwarding capabilities may be provided before any optimally routed streaming media is established. The solution for emergency sessions in the IMS subsystem shall fulfil the following capability requirements: 1) It should b

48、e independent from the underlying IP connectivity network in respect to the detection and routing of emergency sessions. 2) All emergency contact identifiers, (e.g. emergency numbers, SIP emergency URIs) and any special indications for emergency sessions within the SIP signalling must be supported s

49、pecifically IETF proposals on addressing should be taken into consideration. 3) When the network resources are under load conditions then emergency sessions should have a priority to network resources, over “ordinary“ sessions by the network. 4) Set-up of IMS emergency sessions shall be possible for users with a barred public user identity. 5) The primary solution shall be that the NGN Terminal will detect an initiation of an emergency session (e.g. by evaluating the SIP-URI or the dialled number) by itself and then indicates the emergen

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