Polycom SoundStation IP4000 SIP
	Designed for offices or small to medium sized conference rooms, the SoundStation IP4000 SIP provides remarkable room coverage. Users can speak naturally from up to 10 feet away from a microphone and still be heard clearly at the other end of the call. And the optional extension microphones offer an increased pickup for larger rooms. Plus, with gated microphone technology, echo and background noise is almost entirely eliminated. Polycom's patented Acoustic Clarity Technology Speak up to 10 feet from the microphone and be heard clearly Optional extension microphones to expand coverage Gated microphone technology eliminates background noise Full duplex operation - 2-way SIP VoIP support Interoperates with Polycom VSX series Self-adjusting operation LCD display C aller ID C ontext sensitive soft keys - 3 Instant Messaging and Presence support PC access via web browser