A communication apparatus includes an automatic response unit configured to make a response to received data in a power saving state on behalf of one or more communication control programs, and a setting unit configured to collect automatic response information from the one or more communication control programs and to set the automatic response information in the automatic response unit, the automatic response information including conditions regarding received data to which the automatic response unit makes a response, and also including response data to be included in the response, wherein the automatic response unit sends the response data included in the automatic response information upon detecting that the conditions included in the automatic response information match data received in the power saving state, and causes the communication apparatus to exit the power saving state upon detecting that the conditions do not match said data received in the power saving state.