Intercom-telephone set Studio series. By connecting it to the Fartel PABX allows the direct call to other internal numbers. When the PABX is provided with the intercom/relay board, it enables the door-opener function and the activation of eletrical equipment with a single button. Also further three buttons with programming memory are available. It enables easily the integration of all the domestic functions as telephone, intercom, intercommunication. When joint with ST7100W or ST7100CW the intercom-telephone set becomes video-intercom-telephone set through TA700W table adaptor that allows to install it on the table.