The alert handling centre(s) are managed by a professional firefighter. They are provided with a single call number.
The alert handling centre(s) and the hospital and dispensary call reception centres keep each other informed, as quickly as possible, of calls received and operations in progress; they redirect to the appropriate centre any call that does not fall directly within their area of responsibility.
Medical regulation is carried out by doctors from the dispensaries or hospital, or from the medical hotline.
Police or gendarmerie services are informed of the operations set in motion.