Communication control unit and communication control method

To provide a communication control unit and a communication control method that is resistive against a high processing load, can be implemented at low cost, and realizes priority control according to call setting information. The communication control unit includes a unit connecting plural communication control units between a calling communication control unit and a called communication control unit on the basis of the call setting information and securing a sufficient band between the calling communication unit and the called communication unit. The communication control unit executes plural rules for extracting communication information from a unit for plural storages, which store the communication information, on the basis of the call setting information and transferring the communication information.