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.
SIPxchange is headquartered in Dallas Fort Worth providing wholesale carrier and business VoIP services. SIPxchange is part of the Worldcall Inc. family of companies supplying network services since 2004. Our facilities-based network carries over 50 milli
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