More from Amazon.com : http://www.amazon.com/gp/product/B00005TPV3?tag=purrfectcatdi-20 <br /> <br />Polycom VoiceStation 100 Conference Phone System <br /> <br />VoiceStation 100 Ships With Telephone console unit Power module cord to console telco cable to RJ-11 telephone jack anduser guide <br />360-degree full-duplex performance for simultaneous 2-way communication <br />3 microphones and 1 speaker in the console self-canceling echo <br />Analog PBX or public switched telephone network interface <br />Volume level adjustable up to 85 dB <br />RCA output jack for recording or broadcasting
