A mobile device according to an embodiment of the present disclosure includes a processor; a call module which operates by control of the processor and is configured to receive an incoming call; a service module which operates by control of the processor and is configured to automatically connect the incoming call when an automatic call response service is set in the mobile device; and an interworking module which operates by control of the processor and is configured to perform a preset function of the mobile device in response to a request from the service module after the incoming call is connected by the service module. Using the mobile device, it is possible that the mobile device automatically receives the incoming call without a user's intervention according to the setting.