Extension Microphone Kit for SoundStation2ITS Item Number: Z-006652
ITS Cost: $190.71Manufacturer:Polycom (2200-16155-001)
SoundStation2 Conference Phone w/o Ext. MicITS Item Number: Z-006651
ITS Cost: $603.89Manufacturer:Polycom (2200-16200-001)Polycom's next generation full-duplex technology allows you to talk and listen at the same time, just as naturally as if you were in the same room - no clipping and no distortion like you get with ordinary speakerphones.