A mobile terminal comprising: an input unit configured to receive an instruction from a first user to perform a video call communication with multiple users; a display unit; a voice recognition module configured to recognize input voice statements conducted during the video call communication between the first and multiple users; and a controller configured to perform the video call communication between the first and multiple users based on the instruction from the first user, to control the display unit to display images of the first and multiple users, to detect a voice statement from the first user designating a second user from the multiple users by examining the voice statements recognized by the voice recognition module, and to emphatically display the image of the second user compared with the images of the first user and remaining of the multiple users based on the detected voice statement from the first user, wherein the image of the second user is emphatically displayed by at least one of 1) increasing a size of the displayed image of the second user, 2) shifting the displayed image of the second user to a center of a screen of the display unit, and 3) blinking or flashing the displayed image of the second user, wherein the controller is further configured to: in response to receiving a particular voice instruction during the video call communication, detect a first voice statement designating the second user from the particular voice instruction and a second voice statement designating a function instruction related to a particular function on the mobile terminal from the particular voice instruction, control the display unit to display a screen for executing the particular function with respect to the second user on an area of the emphatically displayed image of the second user while maintaining the images of the first and the remaining users, according to the detected second voice statement, and control the display unit to display the image of the second user as a thumbnail picture or a background picture in the screen while executing of the particular function. an input unit configured to receive an instruction from a first user to perform a video call communication with multiple users; a display unit; a voice recognition module configured to recognize input voice statements conducted during the video call communication between the first and multiple users; and a controller configured to perform the video call communication between the first and multiple users based on the instruction from the first user, to control the display unit to display images of the first and multiple users, to detect a voice statement from the first user designating a second user from the multiple users by examining the voice statements recognized by the voice recognition module, and to emphatically display the image of the second user compared with the images of the first user and remaining of the multiple users based on the detected voice statement from the first user, wherein the image of the second user is emphatically displayed by at least one of 1) increasing a size of the displayed image of the second user, 2) shifting the displayed image of the second user to a center of a screen of the display unit, and 3) blinking or flashing the displayed image of the second user, wherein the controller is further configured to: in response to receiving a particular voice instruction during the video call communication, detect a first voice statement designating the second user from the particular voice instruction and a second voice statement designating a function instruction related to a particular function on the mobile terminal from the particular voice instruction, control the display unit to display a screen for executing the particular function with respect to the second user on an area of the emphatically displayed image of the second user while maintaining the images of the first and the remaining users, according to the detected second voice statement, and control the display unit to display the image of the second user as a thumbnail picture or a background picture in the screen while executing of the particular function. in response to receiving a particular voice instruction during the video call communication, detect a first voice statement designating the second user from the particular voice instruction and a second voice statement designating a function instruction related to a particular function on the mobile terminal from the particular voice instruction, control the display unit to display a screen for executing the particular function with respect to the second user on an area of the emphatically displayed image of the second user while maintaining the images of the first and the remaining users, according to the detected second voice statement, and control the display unit to display the image of the second user as a thumbnail picture or a background picture in the screen while executing of the particular function.