In respect of 'Pan European' eCall (operating requirements defined in EN xxxxxxx Intelligent transport systems- eCall- Pan European eCall operating requirements), this European Standard defines the high level application protocols, procedures and processes required to provide the eCall service using a TS12 emergency call over a mobile communications network. 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 mobile telecommunication network (e. g. GSM) which supports the European harmonised 112/E112 emergency number (TS12 ETSI TS 122003) and to provide a means of manually triggering the notification of an emergency incident. NOTE HLAP requirements for 'Third party services supporting eCall are to be found in the deliverable. 'Third party services supporting eCall -Operating requirements', and have been developed in conjunction with the development of this work item, and is consistent in respect of the interface to the PSAP. This deliverable makes reference to those provisions but does not duplicate them.