With regard to a communication apparatus including a plurality of interfaces, complex call reception is achieved through a plurality of the interfaces by permitting or not permitting an incoming call depending on communication contents, such as voice calls and data calls such as e-mails. The communication apparatus is wirelessly connected to a plurality of networks (cellular network and WLAN network) to enable call transmission/reception through the networks, includes a plurality of interface units (cellular interface unit and WLAN interface unit) corresponding to the networks, performs control to permit or not permit the incoming call for the interface unit based on determination of communication contents between the network and the interface unit, and enables concurrent use of a plurality of the interface units depending on communication contents.