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NGN Consulting has focused on the wholesale carrier opportunities resulting from the rapidly growing demand for capacity between the United States and international niche markets. NGN Consulting has delivered a wide range of IT and communications advice
NGN Consulting has focused on the wholesale carrier opportunities resulting from the rapidly growing demand for capacity between the United States and international niche markets.
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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