Patent ID: 9632651
Date: 2017-04-25
CPC Classifications: G06F,H04M

Claim:
1. A mobile terminal comprising: a display unit configured to display, on a screen, a plurality of identification items corresponding to a plurality of message windows that are open for message communication among a plurality of participants, wherein the displayed identification items includes a first identification item corresponding to a first message window and a second identification item corresponding to a second message window; and a controller configured to: receive a touch-and-drag input at the first identification item; in response to the received touch-and-drag input, control the display unit to move the first identification item to overlap at least a portion of the second identification item; select, from among the participants of the first message window, at least one participant having a valid account with respect to a message service corresponding to the second message window when the first identification item is displayed to overlap the portion of the second identification item; and invite the selected participant to the second message window, wherein an unselected participant of the first message window not having the valid account is not invited to the second message window.