A communication system comprising at least one radio station which includes a main radio unit and at least one associated standby radio unit and comprising a user console connected via a communication network to the main radio unit of the radio station addressed by a network address of the communication network, wherein the main radio unit and its associated standby radio units are configured to be operated in parallel and to exchange operational parameters during operation of said communication system, wherein an operation failure of the main radio unit of a radio station triggers an automatic handover of the used network address from the main radio unit of the radio station to an associated standby radio unit of said radio station to maintain an uninterrupted communication between the user console and the respective radio station of said communication system.