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.
Cisco 6945 Business class IP phone model ensures video communication support and expanded possibilities. This device supports up to four lines, has full-duplex loudspeaker communication, supports call holding option on each line and perfectly suits administrational personnel, financial structures, managers etc.