Ip addresses are unique internet addresses that are assigned to each computer by internet service providers. Every computer has unique address. The computers form an ip network. Do you know what your ip address is? It is a series of numbers that are unique to your computer. There are several sites from which you can find out what your ip address is. Simply type what is my ip address and you will instantly get a result. For example at ip-adress.com you can search for your ip address easily. There are many other sites. Another way you can tell your ip address is to check full headers in emails you send because they contain your ip address. With your ip address it is possible to know your approximate location.
It is possible to make call over your ip address when you are connected to the internet. This is called voice over ip and is revolutionising telecommunication because it is much cheaper and easier to run than conventional phones. It comes with all the features of regular telephony like message function, caller ID and address book. You may need ip phones in order to fully use voice over ip.
Some of the companies offering voip are yahoo, Skype and vonage. Ip telephony is giving regular telephone companies a run for their money and they have also gone for ip telephony. Companies like Rogers and videotron are offering voip; a way to beat the competition and retain customers. In a few years it is expected to get cheaper and cheaper to call long distance even overseas.
