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.
Westbay Engineers Ltd. was established in 1989 as a telecommunications consulting company. In 1996, we launched a number of telecommunications analytical software products, and currently boast thousands of customers in 90 countries across six continents.
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