The SoundStation2, Polycom's next generation conference phone redefines the standard for business quality voice conferencing. With industry-leading full duplex for natural, simultaneous two-way conversation, the SoundStation2 will exceed your expectations in medium to small conference rooms. Delivering remarkable voice quality equal to the SoundStation Premier and a 50% increase in microphone sensitivity over the award-winning SoundStation, users can speak in a normal voice and be heard clearly up to ten feet away – making every call a more productive call. Version with display. Available Option : EX (integrated external microphones ports).