Apparatus and method for communication are provided. The solution includes a first server of an operator specific communication system configured to perform the administration and management tasks of the operator specific communication system including one or more radio access technologies, communicate with the respective server of one or more communication systems of another operators, and a second server configured to manage mobility policy of the operator specific communication sys-tem, communicate with the user terminals of the system by transmitting information on inter-system radio access network selection and access, wherein the first and second server are configured each to maintain an interworking data model including information on operator specific cognitive radio parameters and access policies related to networks of one or more operators.