The conference call terminal and method for operating a user interface thereof

According to the present invention, a conference call terminal and a method to operate a user interface (UI) of the same comprises the steps of: operating a first camera and a second camera when a conference call is initiated; outputting an output image of a conference call screen comprising a first image and a second image collected from the first camera and the second camera, wherein the first image and the second image are arranged not to overlap; and distinguishing a speaker′s image from another person′s image, when the speaker′s image is detected in the output image of the conference call screen.