Provide wholesale international callback service in China for voip service providers and call shops. We offer competitive price and billing system to our wholeseller. We are using SS7 PSTN line and no connection fee to customers.
Advantage Century Telecommunication Corporation, established in 1998, is a leading VoIP solution provider for customer premises equipment with headquarter in Taipei. We specialize and focus on design, R&D, manufacturing, marketing and sales as well as OEM
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