A method for managing calls on a mobile terminal, the method comprising: displaying an idle screen; displaying on the idle screen a first notification indicating a quantity of one or more missed calls from a first terminal, the first notification corresponding to a total quantity of missed calls from the first terminal, when one or more missed calls from the first terminal has occurred; and displaying on the idle screen a second notification indicating a quantity of one or more missed calls from a second terminal, the second notification corresponding to a total quantity of missed calls from the second terminal, when one or more missed calls from the second terminal has occurred, characterized by from a state where the first notification and the second notification are displayed on the idle screen, if an incoming call is received from one of the first terminal and the second terminal, displaying an incoming call screen indicating the incoming call from the one of the first terminal and the second terminal; receiving, via the incoming call screen, a user input to accept the incoming call from the one of the first terminal and the second terminal; in response to receiving the user input, establishing a call with the one of the first terminal and the second terminal; if the call is established with the first terminal and in response to the established call with the first terminal being disconnected, displaying the second notification on the idle screen without displaying the first notification on the idle screen; and if the call is established with the second terminal and in response to the established call with the second terminal being disconnected, displaying the first notification on the idle screen without displaying the second notification on the idle screen. displaying an idle screen; displaying on the idle screen a first notification indicating a quantity of one or more missed calls from a first terminal, the first notification corresponding to a total quantity of missed calls from the first terminal, when one or more missed calls from the first terminal has occurred; and displaying on the idle screen a second notification indicating a quantity of one or more missed calls from a second terminal, the second notification corresponding to a total quantity of missed calls from the second terminal, when one or more missed calls from the second terminal has occurred, characterized by from a state where the first notification and the second notification are displayed on the idle screen, if an incoming call is received from one of the first terminal and the second terminal, displaying an incoming call screen indicating the incoming call from the one of the first terminal and the second terminal; receiving, via the incoming call screen, a user input to accept the incoming call from the one of the first terminal and the second terminal; in response to receiving the user input, establishing a call with the one of the first terminal and the second terminal; if the call is established with the first terminal and in response to the established call with the first terminal being disconnected, displaying the second notification on the idle screen without displaying the first notification on the idle screen; and if the call is established with the second terminal and in response to the established call with the second terminal being disconnected, displaying the first notification on the idle screen without displaying the second notification on the idle screen.