Psytechnics
Psytechnics is a telecommunications company, spun out of British Telecom's research labs in December 2000. The company's technology is behind 7 ITU standards, including PESQ ITU-T P.862. They developed real-time Quality of Experience monitoring software for calls made with Voice over IP, video, telepresence, and unified communications networks.
Psytechnics was acquired by NetScout Systems on April 1, 2011.