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.
$99.99 a Year for Unlimited Calling in 23 Countries
Australia, Austria, Belgium, Chile, Colombia, China, Czech Republic, Denmark, France, Germany, Hong Kong, Ireland, Israel, Italy, Japan, Mexico, Netherlands, New Zealand, Norway, The Bahamas, United Ki