
There are several companies offering free or very low-cost software that you can use for this type of VoIP.

You don't even have to pay for long-distance calls. Computer-to-computer - This is certainly the easiest way to use VoIP.

Wi-Fi phones allow subscribing callers to make VoIP calls from any Wi-Fi hot spot. IP phones connect directly to your router and have all the hardware and software necessary right onboard to handle the IP call. But instead of having the standard RJ-11 phone connectors, IP phones have an RJ-45 Ethernet connector. IP Phones - These specialized phones look just like normal phones with a handset, cradle and buttons.Some ATAs may ship with additional software that is loaded onto the host computer to configure it but in any case, it's a very straightforward setup. You simply crack the ATA out of the box, plug the cable from your phone that would normally go in the wall socket into the ATA, and you're ready to make VoIP calls. Providers like Vonage and AT&T CallVantage are bundling ATAs free with their service. It takes the analog signal from your traditional phone and converts it into digital data for transmission over the Internet. The ATA is an analog-to-digital converter. The ATA allows you to connect a standard phone to your computer or your Internet connection for use with VoIP.

