SUDBURY, Mass.--(BUSINESS WIRE)--Revolabs, the premier provider of audio solutions for unified communications (UC), enterprise collaboration, and professional audio applications, today announced that its FLX UC 500 USB conference phone and FLX UC 1000 IP & USB conference phone are now formally certified for use with devices that run on Microsoft Windows operating systems and servers. To qualify for this certification, the phones passed rigorous tests conducted using the Windows Hardware Cer