An IP communication apparatus employed in a telephone voice/moving picture recording system is comprised of: an IP packet transmitting/receiving I/F for transmitting/receiving an IP packet; an IP address acquiring unit of acquiring an IP address corresponding to a transmission source of the IP packet; a signal judging unit for performing a signal judging operation by employing data contained in an IP packet; a recording unit for recording the data in relation to the IP address based upon a judgment result made by the signal judging unit; and a recording control unit for controlling the recording unit.