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.
Created by some of the leading Internet, Telephony and CTI engineers in the industry, Asergis is bringing to the small business community features and support unparallel in this market space. Our goal is to package best of breed technology and practices i
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