In an apparatus capable of communication with plural image transmitting terminals, improved operability is provided in selectively receiving and displaying images from the active terminals among plural image transmitting terminals. For this purpose, there is provided instruction means for entering an instruction for grouping the active terminals among the plural image transmitting terminals, generation means for grouping the active image transmitting terminals according to the instruction from the instruction means and generating a symbol corresponding to such group, and output means adapted, in response to an access to the symbol, to provide a monitor with images consisting of image data received from the active image transmitting terminals.