Rec. ITU-T Y.4467 (01/2020) Minimum set of data structure for automotive emergency response system Summary History FOREWORD Table of Contents 1 Scope 2 References 3 Definitions 3.1 Terms defined elsewhere 3.2 Terms defined in this Recommendation 4 Abbreviations and acronyms 5 Conventions 6 Overview of MSD for AERS 7 Minimum set of data 7.1 MSD version 7.2 Mandatory information 7.2.1 messageIdentifier 7.2.2 timestamp 7.2.3 controlType 7.2.4 vehicleType 7.2.5 vehicleIdentificationNumber 7.2.6 vehicleLocation 7.2.7 timestampOfRecentVehicleLocationN1, timestampOfRecentVehicleLocationN2, recentVehicleLocationN1, recentVehicleLocationN2 7.2.8 timestampOfVehicleDirection 7.2.9 vehicleDirection 7.2.10 callbackNumber 7.2.11 numberOfPassengers 7.2.12 vehiclePropulsionStorageType 7.3 Optional information of MSD 7.3.1 objectIdentifier 7.3.2 data 8 Encoding rule for MSD 9 Security considerations Appendix I MSD encoding example using IETF RFC 7049 Appendix II Vehicle type example Appendix III Vehicle location calculation example