This is a method of providing a phone service to people over the Internet. This type of service moves the traditional phone switch off site and allows more than one company to use a particular switch.
Callnigeriaonline
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
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