http://www.discountconferencephones.com.au/voice-conference-phone/polycom/soundstation-vtx1000.html
Overview of the Polycom Sound Station VTX1000 Conference Phone (Optional Extension Microphones and Subwoofer)
Introducing the Polycom SoundStation VTX 1000 - the world's first conference phone to automatically adapt to each meeting environment, delivering outstanding fidelity and clarity for all participants.
Famous Polycom sound quality
Polycom is the world's number one conference phone provide
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