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.
Callnigeriaonline.com provides Nigerians around the world with the benefits of cost savings and high quality phone calls using Voice over Internet Protocol (VoIP).
Using software on your computer or VOIP routers with your dial-up or broadband interne