The B189 IP conference phone is the most sophisticated conference phone yet from Avaya, designed specifically for use in Avaya Aura networks. With a sleek, modern design, the B189 IP conference phone looks great in any executive boardroom or large conference room (even auditoriums). With Avaya OmniSound technology to maintain HD-quality sound for everyone on the call, an easy-to-navigate five-inch color touch screen display, and a wealth of built-in time-saving features, the B189 should be your first choice for an executive conference phone.