Call today from around the world for free is possible with just a computer and of course Internet access through VoIP technology. Technology that a long time ago that is in the market but that has not been too accepted by users due to the policies of establishing a flat rate for local rates, which prevented its growth worldwide.

Moreover, established in the IP protocol is IPv4-based version of what is expected to really get the expected acceptance in a short time when you get Ipv6. But version anyway, the technology of free calls over the Internet can enjoy using three variants according to the type of individual. By analog telephone adapter (ATA), which allows the reuse of cell line as a bridge, has for the RJ-11 telephone and Internet link connector.

Using PC to PC, is another of the system and the easiest to free calls or free internet calling over the Internet because they just need Internet connection, a microphone, speakers and a software.Telephones IP, is the system where the phones were adapted Under VoIP, because changing the connection is via RJ45 or WI-FI through the router or cable modem, it gives us any Internet service.

The main advantage is that it works without the need for a PC, elsewhere today can find several programs to communicate through the Internet, we can name the most popular Google Talk, Skype, Yahoo Messenger and MSN more widespread Messenger.El worldwide, Skype is certainly for their years of experience also offers an intuitive service.

But for anyone we choose to communicate we must create an account on the site, usually for free, from which it may use the service offered with free calls worldwide.

But it is clear that the number of countries such as the duration of each call is determined by the company providing the service. For example if we choose VoipBuster we can make free internet calling to an amount greater than 30 countries and in some cases with very low rates and can also send SMS.

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