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.
Outgoing call control system, works by principle, call everybody
excluding those who are blacklisted or call nobody apart those who are in the
“White list”. The system additionally allows to analyze the duration of the
conversation, marks the time and date of the call and the one who has called.