Lot Of 2 Polycom SoundStation No Accessories 2201-03308-001 or 2201-03309-001 Polycom SoundStation 2201-03308-001 F Analog Conference Phone, Power Wall Module - The SoundStation's 360 degree coverage from its 3 microphones, full-duplex operation with echo and noise suppression allows for natural two way conversations in a teleconferencing environment.