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CEN/TC 278 N 4272 Revision of TS 17184:2018 - Intelligent transport systems - eSafety - eCall High level application Protocols (HLAP) using IMS packet switched networks

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.

Purpose

The actual TS 17184 does not define MSD transfer for test eCalls. This gap should be closed by with a definition of high level requirements for test eCalls in the revised TS 17184. The service URN for test eCalls (defined in RFC 8147 clause 8) is currently missing in the actual CEN TS 17184. Test eCalls are essential to allow compliance/conformance testing without disturbing the emergency call centers (PSAPs).

In clause 7.5.x of the actual TS 17184 it should be explicitly defined, that the requirements in clause 7.5.2 and 7.5.4 are only valid for cases where the initial MSD transfer was successfully completed and acknowledged.

ETSI STF 568 provided a detailed list with further parts of the actual TS 17184, which should be corrected or updated.

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