Do you know that you can now make International calls for free without having to pay a single cent? This is possible due to the advancement of technology. It is commonly known as VoIP. VoIP stands for Voice over IP. It is not a new technology, and the whole concept is based on the IP protocol, which is what the Internet uses to transmit and receive data.
Many of us are already familiar with this protocol. But what some of us do not know is that the same IP protocol can be used to transmit voice data as well.  Read more...