Systems. This is mainly due to the quality of the product but also to the partnership between the Cobham Avionics - Rungis and the Customer, which has enabled Cobham Avionics - Rungis to provide a dedicated assistance to the project. The Audio System provides the following functions: Public Address for the announcements made by the Tram driver, Stations automatic announcements, Emergency intercom between the driver and the passenger who has triggered the warning signal, Audio Warning information (Emergency System when triggered by a passenger or major operating problem on the rail), Intercommunication between the t...