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.
Callcentric Internet Phone Service
The Callcentric service provides consumers and businesses around the world with the benefits of cost savings and high quality phone calls using Session Initiation Protocol (SIP) which is a type of Voice over Internet Protocol (VoIP). Using software on you
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