Basics of VoIP & SIP

Basics of VoIP & SIP
Most Internet users are providing free phone calls or video chat etc.. These calls are made when two the personal computers which are at each end and are possible by following Voice over Internet Protocol to transfer voice data. By use of a software application by your service provider you can make calls using your pc itself. Even though PC to PC calls are free, PC to phone calls are made even cheaper with the help of internet.And,hence PC to PC calls will also be made always free but to make communication to a normal phone from a PC.Here the charge is not based on the usage or monthly and hence this is very cheaper compared to any other service provided. There are however few other VoIP service providers that provide trial calls for free such as tutitalk. Fully free PC to phone calls without limits is possible in the market if the market grows large enough along with competition among the VoIP service providers.

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