What is Voice over IP?

Voice over IP (VoIP) is a technology that allows voice traffic to be transmitted over a data network, such as the public internet. Using VoIP and, usually in conjunction with a broadband internet connection (cable modem or DSL), it is possible to use a wide range of equipment to make telephone calls over the net.

Using an adapter, or a special IP Phone (Phone-to-Phone) or software (PC-to-Phone) the voice signal from your telephone or PC is converted into a digital signal (data packet) that travels over the internet and then converts the signal back at the other end so you can speak to anyone in the world with a regular phone number.

When placing a VoIP call using a phone with an adapter, you'll hear a dial tone and you dial just as you always have. VoIP may also allow you to make a call directly from a computer using a conventional telephone, a USB phone or a headset with a microphone.