Panasonic KX-TA824 Advanced Hybrid System is expressly designed to maximize home communications in your home. With its wide array of features, it offers the functions of both a telephone system and an intercom system, plus a whole lot more. The KX-TA824 offers a variety of options to enable customized solutions. You can assign specific lines to each phone, make room-to-room intercom calls at the touch of a button, forward your calls to an outside location, monitor a room, page all system extensions, enjoy conference calls, and more. So you can tailor your telephone system to the varied needs of your household.