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.
Vopium is a Danish mobile application company, established in 2006 to provide low cost mobile calls via VoIP technology. We are interested in setting up a teleconference to explore the possibility of developing a Partnership with your company.
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