According to industry analysts the market for telepresence managed services could be worth up to $4 Billion per year in the coming years.  Perhaps this is why telepresence and videoconferencing managed service providers have been in the news lately with BT Conferencing acquiring WireOne Communications in April and Nortel Global Services announcing a deal to provide managed telepresence and videoconferencing services to as many as 130 of Deloitte's member firm locations around the world.   A deal that could be worth, by my back o' the napkin calculations, up to $25MM+ a year in revenue depending on the final mix of telepresence, traditional videoconferencing end-points, and network connections.…