It is a device capturing and controling all the signals, which are being created by the whole system, especially the made and received phone call signals. The device is mostly used for connecting regular phone system with the Internet and backwards.
In late 2011Cisco has developed and released a new video system Cisco TelePresence SX20 Quick Set. A solution, which is easy to install and operate, transforms any screen into a multipoint control unit (FSI) of the new generation. Cisco SX20 Quick Set system is sold at affordable price for medium and small businesses.