The system consist of: -A front-end web services (SOAP) that take the users' signals. -An application components (EJB 3.0). The application: -	Makes the parsing of the signal. - Manages the insert, modify and delete of reservations in a database (Java DB). - At regular intervals, logs in a file the performed activities. - Keeps the statistics on the received signal. For each district, the application maintains the average: - Number of the week's signals. - Number of the month's signals. - Number of the high priority month's signals. - Age of the users that send the signals. The signals are built with: - Id. - Name, surname and age of the user. - Id district. - Priority (HIGH – LOW - AUTO). The system has been designed with a BPMN workflow and was deployed in a remote virtual machine (Amazon - AWS). The client through which the user communicate with the system in particular with the web services is built with a web page and one servlet.