Intelligent Transport Systems - eSafety - ProForma eCall Agreement between TPSP and PARESdoi:CEN/TS 17148:2018公共安全应急点运营商(PSAP)和eCall第三方协助提供者(TPSP)/紧急救援组织(ERO)制定协议形式协议/协议主管CEN/TC 278-