A communication system for exchanging data between data recipients and data generators provides the data exchange between stationary and/or mobile units and/or within a stationary or mobile unit, and has a communication network via which the data exchange takes place connects various communication media to one another, and at least one communication manager assigned to the communication network, so that the at least one communication manager identifies the communication route of a data record between the particular data generator and the associated data recipient independently of the communication medium.