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.
With state-of-the-art corporate headquarters in Wayne, New Jersey, the ISG family has evolved into a multi-divisional organization serving over 750,000 customers from coast to coast. Today ISG is positioned at the forefront of global technology with a str
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