 Such services may operate 24 hours per day in larger centers, but in remote and rural locations are still frequently staffed by 'on-call' personnel after normal business hours.Even in areas with directly operated emergency ambulances, non-emergency transportation is more likely to be conducted by commercial transportation companies.Norway currently operates on the Franco-German model of EMS care, with some limitations on the permitted skills of EMS personnel, and physician response to emergencies being quite commonplace.