It is the business practice of sending all clients' billing info to a separate company, who then does everything for you. It also allows a company to cut down on time and human resources spent on administrative tasks.
Zahrancall is the world`s leading Internet calling card brand, specializing in prepaid calling card services throughout the world. Distributed through our regional and local Agents and Resellers, Zahrancall`s prepaid calling cards provide customers with a
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