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.
GlobalPhone is a facilities-based carrier headquartered in Falls Church, Virginia, a suburb of Washington, DC. GlobalPhone provides services to 600,000 customers in over 130 countries, and maintains a network of over 300 business partners around the world
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