A method and associated devices are provided whereby communication information of a first communication unit is provided via a communication system assigned to the unit. The communication information contains indications on communication possibilities which permit a communication connection with the first communication unit to be set up. Advantageously, a number of communication devices, assigned to the first communication unit, are represented in the indications on communication possibilities. The communication information can be compiled into profiles by the user, which is assigned to the first communication unit, in order to make available only certain information about communication possibilities.