VIET NAM VOIP MARKET PLACE, VOIP PRODUCTS DISTRIBUTOR, IP TELEPHONY SOLUTION AND SERVICE CENTER, SYSTEM INTEGRATION, SOFTWARE DEVELOPMENT, OURSOURCING SERVICE, VIRTUAL OFFICE
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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