Poly 2200-16155-015 telephone switching equipment

- For use with Polycom SoundStation2 Conference Phone. Expandable WITH Display.N/A- 50% more microphone sensitivity allows you to speak in a normal voice and be heard clearly up to 3m away from the microphones. Eliminates ear strain and repetition.N/A- Dynamic Noise Reduction is designed to minimize distracting room and background noise.N/A- Intell... moreigent microphone mixing allows only the microphone closest to the person speaking to be on for crystal clear conferencing.N/A- For use with Polycom SoundStation2 Conference Phone. Expandable WITH Display.