Voice Over Internet Protocol -
Communications costs are immensely reduced by using VOIP (Voice Over Internet Protocol technology – sometimes known simply as IP) for the placing and transmitting of telephone communication over an IP network system as an alternative to the traditional Public Switched Telephone Network (PSTN).
This is achieved by converting standard telephone audio into a digital format able to be transmitted over the Internet and, in turn, converting incoming digital phone signals from the Internet to standard telephone audio.
A VOIP telephone or application has certain technical advantages over an analogue phone as well, as it can support many additional features, such as ease of sharing contact lists among multiple accounts and IDs that are similar to e-mails.
The obvious advantage, of course, is in terms of cost saving as these phones reduce costs dramatically, especially when phoning other countries.
Ideal for individuals and for businesses, at home or the office.