Patent ID: 8555179

Claim:
A mobile communication terminal, comprising: a communication module configured to exchange image and audio data of a video call with another party's terminal and to perform a text messaging session to exchange text data with the other party's terminal while performing the video call; at least one camera; a memory configured to store images; a touch screen configured to display a first real-time image received from the other party's terminal and to display a second real-time image acquired from the at least one camera in real time during the video call, the first real-time image being an image of a user of the other party's terminal and the second real-time image being an image of a user currently operating the mobile communication terminal; and a controller configured to: display a text message window include an output window and an input window while performing the text messaging session, the input window being used to input text messages to the other party's terminal, and the output window being used to display text messages between the user currently operating the mobile communication terminal and the user of the other party's terminal, display a first representative identifier indicating the user of the other party's terminal next to text messages input by the user of the other party's terminal in the output window, display a second representative identifier indicating the user of the currently operating mobile communication terminal next to text messages input by the user currently operating the mobile terminal in the output window, and selectively replace a corresponding second representative identifier for any one of the text messages input by the user currently operating the mobile communication terminal with a captured image of the user operating the mobile communication terminal, when an input for selecting the second representative identifier is received, wherein the corresponding second representative identifier is replaced without replacing previously displayed second representative identifiers.