Intelligent transport systems - eSafety - eCall High level application Protocols (HLAP) using IMS packet switched networks

In respect of 112-eCall (pan-European eCall) (operating requirements defined in EN 16072), this document defines the high level application protocols, procedures and processes required to provide the eCall service via a packet switched wireless communications network using IMS (Internet protocol Multimedia System) and LTE/ 4G/E-UTRAN wireless access.
NOTE 1   The objective of implementing the pan-European in-vehicle emergency call system (eCall) is to automate the notification of a traffic accident, wherever in Europe, with the same technical standards and the same quality of services objectives by using a PLMN (such as ETSI prime medium) which supports the European harmonized 112/E112 emergency number (TS12 ETSI TS 122 003 or IMS packet switched network) and to provide a means of manually triggering the notification of an emergency incident.
NOTE 2   HLAP requirements for third party services supporting eCall can be found in EN 16102, and have been developed in conjunction with the development of this work item, and are consistent in respect of the interface to the PSAP. This document makes reference to those provisions but does not duplicate them.

Intelligente Verkehrssysteme - eSicherheit - Allgemeines eCall Anwendungsprotokoll (HLAP) unter Verwendung von IMS paketvermittelnden Netzwerken

Bezüglich 112-eCall (europaweiter eCall) (Betriebsanforderungen nach Definition in EN 16072) definiert dieses Dokument die übergeordneten Anwendungsprotokolle, Verfahren und Prozesse, die zur Bereitstellung des eCall Dienstes über ein paketvermitteltes drahtloses Kommunikationsnetz mit IMS (Internet protocol Multimedia System) und Drahtloszugang über LTE/4G/E-UTRAN erforderlich sind.
ANMERKUNG 1   Das Ziel der Implementierung eines gesamteuropäischen, fahrzeuginternen Notrufsystems (eCall) ist, die Meldung eines Verkehrsunfalls an einem beliebigen Ort in Europa mit denselben technischen Standards und derselben Qualität der Dienst-Zielvorgaben zu automatisieren, indem PLMN (en: Public Land Mobile Network) (z. B. als primäres ETSI-Medium) genutzt wird, das die vereinheitlichte Europäische Notrufnummer 112/E112 (TS12 ETSI TS 122 003 oder IMS paketvermitteltes Netzwerk) unterstützt, und um ein Mittel zur manuellen Auslösung einer Notfallmeldung bereitzustellen.
ANMERKUNG 2   HLAP-Anforderungen für Dienste dritter Parteien, die eCall unterstützen, sind in EN 16102 zu finden und wurden in Abstimmung mit der Entwicklung dieses Dokuments entwickelt und sind bezüglich der Schnittstelle zur Notrufzentrale konsistent. Dieses Dokument bezieht sich auf diese Bestimmungen, aber sie dupliziert sie nicht.

Inteligentni transportni sistemi - e-Varnost - Visokonivojski aplikacijski protokoli za e-Klic z uporabo IMS v paketno preklopnih omrežjih

Izsledek tega evropskega standarda opredeljuje visokonivojske aplikacijske protokole, postopke in procese, ki so potrebni za zagotavljanje vseevropske storitve e-Klic (operativne zahteve so opredeljene v standardu EN 16072) prek paketno preklopnih brezžičnih komunikacijskih omrežij z uporabo IMS (multimedijski sistem internetnega protokola) in brezžičnega dostopa do omrežja LTE/4G/E-UTRAN.

General Information

Status
Published
Publication Date
31-Jul-2018
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
01-Aug-2018
Completion Date
01-Aug-2018

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SLOVENSKI STANDARD
SIST-TS CEN/TS 17184:2018
01-oktober-2018

Inteligentni transportni sistemi - e-Varnost - Visokonivojski aplikacijski protokoli

za e-Klic z uporabo IMS v paketno preklopnih omrežjih

Intelligent transport systems - eSafety - eCall High level application Protocols (HLAP)

using IMS packet switched networks

Intelligente Verkehrssysteme - eSicherheit - Allgemeines eCall Anwendungsprotokoll

(HLAP) unter Verwendung von IMS paketvermittelnden Netzwerken
Ta slovenski standard je istoveten z: CEN/TS 17184:2018
ICS:
03.220.01 Transport na splošno Transport in general
35.240.60 Uporabniške rešitve IT v IT applications in transport
prometu
SIST-TS CEN/TS 17184:2018 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST-TS CEN/TS 17184:2018
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SIST-TS CEN/TS 17184:2018
CEN/TS 17184
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
August 2018
TECHNISCHE SPEZIFIKATION
ICS 35.240.60
English Version
Intelligent transport systems - eSafety - eCall High level
application Protocols (HLAP) using IMS packet switched
networks
Intelligente Verkehrssysteme - eSicherheit -
Allgemeines eCall Anwendungsprotokoll (HLAP) unter
Verwendung von IMS paketvermittelnden Netzwerken

This Technical Specification (CEN/TS) was approved by CEN on 16 March 2018 for provisional application.

The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to

submit their comments, particularly on the question whether the CEN/TS can be converted into a European Standard.

CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS

available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in

parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 17184:2018 E

worldwide for CEN national Members.
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CEN/TS 17184:2018 (E)
Contents Page

European foreword ...................................................................................................................................................... 5

Introduction .................................................................................................................................................................... 6

1 Scope .................................................................................................................................................................... 8

2 Normative references .................................................................................................................................... 8

3 Terms and definitions ................................................................................................................................... 9

4 Symbols and abbreviations ....................................................................................................................... 14

5 Conformance ................................................................................................................................................... 16

6 General overview of the eCall session for Pan European eCall .................................................... 16

7 Requirements ................................................................................................................................................. 22

7.1 Procedures following power-up of the in-vehicle system .............................................................. 22

7.1.1 General .............................................................................................................................................................. 22

7.1.2 Enabled IVS...................................................................................................................................................... 22

7.1.3 Enabled PSAP .................................................................................................................................................. 23

7.1.4 IVS configured only for 112-eCall ........................................................................................................... 24

7.1.5 Self-test ............................................................................................................................................................. 24

7.1.6 Standby mode applicable to IVS configured only for 112-eCall ................................................... 24

7.2 Activation ......................................................................................................................................................... 24

7.2.1 Activation of pan-European IMS-eCall ................................................................................................... 24

7.2.2 Activation of a test eCall ............................................................................................................................. 25

7.3 Call set-up ........................................................................................................................................................ 25

7.3.1 General .............................................................................................................................................................. 25

7.3.2 IVS network access device (NAD) already registered on PLMN ................................................... 25

7.3.3 eCall in progress ............................................................................................................................................ 25

7.3.4 Network selection and registration ....................................................................................................... 26

7.3.5 Authentication of the subscriber ............................................................................................................ 26

7.3.6 IMS-eCall establishment ............................................................................................................................. 26

7.3.7 Cell localization (by network) .................................................................................................................. 27

7.3.8 Manual termination of eCall by vehicle occupants before trigger confirmation ................... 27

7.4 MSD transfer in IMS-eCall .......................................................................................................................... 28

7.4.1 General .............................................................................................................................................................. 28

7.4.2 MSD transfer to a PSAP supporting IMS-eCall .................................................................................... 28

7.4.3 MSD Transfer to a PSAP not supporting IMS-eCall ............................................................................ 30

7.4.4 Security ............................................................................................................................................................. 31

7.5 Application layer acknowledgement (AL- ACK)................................................................................. 31

7.6 In the event of IMS-eCall failure ............................................................................................................... 31

7.7 PSAP requests a new MSD .......................................................................................................................... 32

7.7.1 General .............................................................................................................................................................. 32

7.7.2 After session clear-down ............................................................................................................................ 33

7.8 PSAP application features .......................................................................................................................... 33

7.8.1 General requirements ................................................................................................................................. 33

7.8.2 MSD display to the PSAP operator .......................................................................................................... 34

7.8.3 PSAP operator user interface ................................................................................................................... 34

7.9 Audio link to vehicle occupants ............................................................................................................... 34

7.10 eCall clear-down ............................................................................................................................................ 34

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7.11 PSAP call back ................................................................................................................................................ 34

7.12 Rerouting to another PSAP/emergency control centre .................................................................. 35

7.13 Handling non equipped situations / error cases .............................................................................. 35

7.13.1 MSD not transmitted correctly ................................................................................................................ 35

7.13.2 Network registration fails ......................................................................................................................... 35

7.13.3 Call failure before the MSD is acknowledged ..................................................................................... 35

7.13.4 Mobile network not supporting eCall URN or not provided with routing tables .................. 36

7.14 PSAP network/ICT failure ......................................................................................................................... 36

7.14.1 General ............................................................................................................................................................. 36

7.14.2 PSAP application failure ............................................................................................................................. 36

7.14.3 PSAP operator does not respond ............................................................................................................ 36

7.14.4 PSAP system not available ......................................................................................................................... 37

7.14.5 MSD corrupted ............................................................................................................................................... 37

7.14.6 Audio link not established ......................................................................................................................... 37

7.14.7 Audio link established but subsequently fails ................................................................................... 37

7.14.8 Automatic repeat attempts ....................................................................................................................... 38

8 Third party services supported eCall (TPS-eCall) ............................................................................ 38

9 Defences against attack (Security provisions) ................................................................................... 38

10 Quality of service requirements .............................................................................................................. 38

11 Test and conformance requirements .................................................................................................... 38

12 Marking, labelling and packaging ........................................................................................................... 38

13 Declaration of patents and intellectual property ............................................................................. 38

Annex A (normative) Table of timings ................................................................................................................. 39

Annex B (informative) SIP and IMS explained ................................................................................................... 41

B.1 Introduction.................................................................................................................................................... 41

B.2 Session Initiation Protocol ........................................................................................................................ 41

B.2.1 SIP ....................................................................................................................................................................... 41

B.2.2 SIP URI .............................................................................................................................................................. 41

B.2.3 SIP INVITE ........................................................................................................................................................ 41

B.2.4 Request-Line-URI .......................................................................................................................................... 42

B.2.5 Via ....................................................................................................................................................................... 42

B.2.6 From .................................................................................................................................................................. 42

B.2.7 To ........................................................................................................................................................................ 42

B.2.8 Contact .............................................................................................................................................................. 42

B.2.9 Allow .................................................................................................................................................................. 42

B.2.10 BYE ..................................................................................................................................................................... 43

B.2.11 CANCEL ............................................................................................................................................................. 43

B.2.12 INFO ................................................................................................................................................................... 43

B.2.13 INVITE ............................................................................................................................................................... 43

B.2.14 NOTIFY .............................................................................................................................................................. 43

B.2.15 OPTIONS ........................................................................................................................................................... 43

B.2.16 PRACK ............................................................................................................................................................... 43

B.2.17 REFER ................................................................................................................................................................ 44

B.2.18 REGISTER ......................................................................................................................................................... 44

B.2.19 SUBSCRIBE ....................................................................................................................................................... 44

B.2.20 UPDATE ............................................................................................................................................................ 44

B.3 IMS: Internet Protocol (IP) multimedia core network subsystem .............................................. 44

B.3.1 IMS Overview.................................................................................................................................................. 44

B.3.2 Roles of Session Control Functions ........................................................................................................ 47

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B.4 Emergency Communications .................................................................................................................... 49

B.4.1 Overview of ETSI TS 123 167 .................................................................................................................... 49

B.4.2 High Level Procedures for IMS Emergency Services ........................................................................ 49

Bibliography.................................................................................................................................................................. 55

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European foreword

This document (CEN/TS 17184:2018) has been prepared by Technical Committee CEN/TC 278

“Intelligent transport systems”, the secretariat of which is held by NEN.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

According to the CEN/CENELEC Internal Regulations, the national standards organisations of the

following countries are bound to announce this Technical Specification: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta,

Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
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Introduction

An eCall is an emergency call generated either automatically via activation of in-vehicle sensors or

manually by the vehicle occupants; when activated, to provide notification and relevant location

information to the most appropriate Public Safety Answering Points (PSAP), by means of mobile wireless

communications networks and carries a defined standardized minimum set of data, notifying that there

has been an incident that requires response from the emergency services and establishes an audio

channel between the occupants of the vehicle and the most appropriate PSAP.

EN 15722 specifies a standardized MSD for eCall, and EN 16072 specifies pan-European eCall operating

requirements (for third party systems, EN 16102 specifies third party services supporting eCall operating

requirements; see EC Communication on eCall Implementation 2009 [COM(2009) 434 final] and Official

Journal eCall Recommendation C_2011_6269, for more information) and EN 16062 specifies High Level

Application Protocols for eCall using GSM/UMTS.

The operating requirements for pan-European eCall are made using Public Land Mobile Networks

(PLMN) (such as GSM and 3G, and latterly LTE/4G/E-UTRAN), as specified in a number of ETSI standards

and technical specifications.

In order to provide the eCall service across a wireless network, high level application protocols are

required as an important essential element to affect this service provision.

NOTE The term PSAP, which is most widely used in the eCall documentation, European Commission

documents, etc., is used throughout this document and equates to the term emergency call response centre used in

the ITS Implementation Directive.

Subsequent to the publication of the suite of eCall standards which support the eCall Regulations,

EN 16072, EN 16062 and EN 16454, new communications technologies have become available. Over the

course of time, these networks (such as LTE/4G and in turn their successors) are expected to complement

and eventually replace the circuit switched GSM/UMTS networks. These technologies use so called

‘packet switched’ technologies using Internet protocols (IP). Particularly, 3GPP have evolved a

communication management system called IMS (Internet protocol Multimedia System) which is suitable

to operate over a number of bearer technologies, including LTE/ 4G/E-UTRAN.

In circuit switched networks the eCall is identified as an emergency call and specifically an eCall in the

telecircuit switching (TS) process. The long number is not dialled as the TS identifiers inform the MNO

that the call is an emergency call/eCall and the MNO has procedures to direct these calls to “the most

appropriate” PSAP. Having established a voice channel, GSM/UMTS eCall then mutes microphones and

speakers and uses a modem to transfer the Minimum Set of Data (MSD) to the PSAP before opening up

the line to enable conversation between the PSAP operator and the occupants of the vehicle.

In a ‘packet switched’ network, packets of data (including voice) are sent through an internet protocol

(IP) communication system, using SIP (Session Initiation Protocol) which is managed, most popularly

using IMS.

This document provides High Level Application Protocols (HLAP) for eCall using IMS. It therefore

provides the LTE/4G E-UTRAN equivalent of EN 16062 for GSM/UMTS and should be suitable for all/any

packet switched networks that support IMS and LTE/ 4G/E-UTRAN wireless access.

This document specifies the protocols to put into effect the pan-European eCall operating requirements,

and also identifies common elements that can be used in the link between third party services supporting

eCall and PSAPs.

The European Committee for Standardization (CEN) draws attention to the fact that, while no direct

patents are known in express regard to the content of these specifications, the underlying ETSI

communications Standards may involve patents and the reader is directed to the referenced ETSI

standards in these respects. Similarly, there is a default option to circuit switched eCall in the

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CEN/TS 17184:2018 (E)

specifications below which may involve the use of patents specified in EN 16062, and the reader is

directed to EN 16062 in respect of these aspects.
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CEN/TS 17184:2018 (E)
1 Scope

In respect of 112-eCall (pan-European eCall) (operating requirements defined in EN 16072), this

document defines the high level application protocols, procedures and processes required to provide the

eCall service via a packet switched wireless communications network using IMS (Internet protocol

Multimedia System) and LTE/ 4G/E-UTRAN wireless access.

NOTE 1 The objective of implementing the pan-European in-vehicle emergency call system (eCall) is to automate

the notification of a traffic accident, wherever in Europe, with the same technical standards and the same quality of

services objectives by using a PLMN (such as ETSI prime medium) which supports the European harmonized

112/E112 emergency number (TS12 ETSI TS 122 003 or IMS packet switched network) and to provide a means of

manually triggering the notification of an emergency incident.

NOTE 2 HLAP requirements for third party services supporting eCall can be found in EN 16102, and have been

developed in conjunction with the development of this work item, and are consistent in respect of the interface to

the PSAP. This document makes reference to those provisions but does not duplicate them.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

EN 15722:2015, Intelligent transport systems – ESafety - ECall minimum set of data

EN 16062, Intelligent transport systems – ESafety - eCall high level application requirements (HLAP) using

GSM/UMTS circuit switched networks

EN 16072:2015, Intelligent transport systems – ESafety - Pan-European eCall operating requirements

EN 16102, Intelligent transport systems – eCall - Operating requirements for third party support

EN 16454, Intelligent transport systems – ESafety - ECall end to end conformance testing

CEN/TS 17240 , Intelligent transport systems – ESafety - ECall end to end conformance testing for IMS

packet switched based systems

ETSI TS 122 003, Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile

Telecommunications System (UMTS); LTE; Circuit Teleservices supported by a Public Land Mobile Network

(PLMN) (3GPP TS 22.003) [version 8.0.0, Release 8, and Release 14]

ETSI TS 122 011, Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile

Telecommunications System (UMTS); LTE; Service accessibility (3GPP TS 22.011) [Release 14 or later]

ETSI TS 122 071, Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile

Telecommunications System (UMTS); LTE; Location Services (LCS); Service description; Stage 1

(3GPP TS 22.071 [Release 14 or later]

ETSI TS 122 101, Universal Mobile Telecommunications System (UMTS); LTE; Service aspects; Service

principles (3GPP TS 22.101) [Release 14 or later]
Under preparation. Stage at the time of publication: FprCEN/TS 17240.
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ETSI TS 123 122 V14.4.0 (2017-10), Digital cellular telecommunications system (Phase 2+) (GSM);

Universal Mobile Telecommunications System (UMTS); LTE; Non-Access-Stratum (NAS) functions related to

Mobile Station (MS) in idle mode (3GPP TS 23.122 version 14.4.0 Release 14)

ETSI TS 123 167 V14.5.0 (2017-10), Universal Mobile Telecommunications System (UMTS); LTE; IP

Multimedia Subsystem (IMS) emergency sessions (3GPP TS 23.167 version 14.5.0 Release 14)

ETSI TS 123 216, Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile

Telecommunications System (UMTS); LTE; Single Radio Voice Call Continuity (SRVCC); Stage 2

(3GPP TS 23.216) [Release 14]

ETSI TS 123 401 V14.7.0 (2018-04), LTE; General Packet Radio Service (GPRS) enhancements for Evolved

Universal Terrestrial Radio Access Network (E-UTRAN) access (3GPP TS 23.401 version 14.7.0 Release 14)

ETSI TS 124 229 Rel-14 (2018-04), Digital cellular telecommunications system (Phase 2+) (GSM);

Universal Mobile Telecommunications System (UMTS); LTE; IP multimedia call control protocol based on

Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3 (3GPP TS 24.229

version 14.7.0 Release 14)

ETSI TS 124 301, Universal Mobile Telecommunications System (UMTS); LTE; Non-Access-Stratum (NAS)

protocol for Evolved Packet System (EPS); Stage 3 (3GPP TS 24.301) [Release 14]

ETSI TS 131 102, Universal Mobile Telecommunications System (UMTS); LTE; Characteristics of the

Universal Subscriber Identity Module (USIM) application (3GPP TS 31.102) [Release 14]

ETSI TS 133 203, Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile

Telecommunications System (UMTS); LTE; 3G security; Access security for IP-based services

(3GPP TS 33.203) [Version 8.8.0, Release 8, and Release 14]

ETSI TS 136 331, LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC);

Protocol specification (3GPP TS 36.331) [Release 14]
IETF RFC 8147, Next-Generation Pan-European eCall
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
112
single European emergency call number supporting Teleservice 12
Note 1 to entry: See ETSI TS 122 003.
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