Modern, sleek design encompasses advanced acoustic technology. Five microphones ensure that you can be heard wherever you are in the room. And Aura SOHO Plus is full duplex, allowing for simultaneous two-way conversations. Echo and noise cancellation, provided by the patented SoundClear DSP (Digital Signal Processing) chip, gives you unprecedented clarity of sound. Whether your phone system is analog or digital, you can experience quality conferencing at an affordable price with the Aura SOHO Plus.