The claimed invention is directed to a communication apparatus connectable to a plurality of networks, which comprises a setting unit that adjusts and setting, in accordance with a communication condition of each of the plurality of networks, a communication hold period in which the communication apparatus does not communicate with any one of the plurality of networks; a notification unit that notifies each of the plurality of networks of the communication hold period set by said setting unit; and a stop unit that stops communication with the plurality of networks on the basis of the setting of the communication hold period, wherein said setting unit sets the communication hold period of each network so as to overlap portions of the communication hold periods of the plurality of networks without any overlap of communication participation times of the plurality of networks.