A system for communicating messages via at least one control message for at least one predefined set of terminals (10, 21, 22, 31, 32), wherein said system comprises at least one communication device (10), included in said set of terminals (10, 21, 22, 31, 32) and corresponding to at least one subscriber to at least one service platform (100), capable of receiving at least one control message, transmitted by said platform (100), in order to check an execution of at least one application based on at least one script, included in said control message, and executed by one of said terminals of said set (10, 21, 22, 31, 32) by means of at least one management device (11), associated with said set of terminals (10, 21, 22, 31, 32).