在112 eCall（EN 16072中定义的操作要求）的背景下，本文件定义了为受监管商用车辆（包括刚体卡车及其变体）提供112 eCall的规范，原动机和拖车组合（有时称为“半挂车”、公路列车[一个原动机和多个拖车]）以及其他受监管的商用车辆（例如运载医疗用品或放射性物质的面包车）。

Within the context of112-eCall(operating requirements defined in EN 16072), this document defines specifications for the provision of112-eCallforregulated commercial vehicles, includingrigid body trucksand variants thereof,prime moverand trailer combinations (sometimes called "semi's",road trains[oneprime moverwith multiple trailers]) and otherregulated commercial vehicles(for example vans carrying medical supplies or radioactive material).