VoIP, or Voice over Internet Protocol, is a method for taking analog audio signals and turning them into digital data that can be transmitted over the Internet. By VoIP, you can call someone overseas with cheaper prize as it costs you on how much you talk, not how long you talk. Basically, VoIP uses internet as the media to call and bypassing the telephone company.
There are three different kinds of VoIP:
-ATA
The ATA allows you to connect a standard phone to your computer or your Internet connection for use with VoIP. The ATA is an analog-to-digital converter. It takes the analog signal from your traditional phone and converts it into digital data for transmission over the Internet.
-IP Phones
These specialized phones look just like normal phones with a handset, cradle and buttons. But instead of having the standard RJ-11 phone connectors, IP phones have an RJ-45 Ethernet connector. IP phones connect directly to your router and have all the hardware and software necessary right onboard to handle the IP call.
-Computer-to-computer
There are several companies offering free or very low-cost software that you can use for this type of VoIP. All you need is the software, a microphone, speakers, a sound card and an Internet connection, preferably a fast one like you would get through a cable or DSL modem. Except for your normal monthly ISP fee, there is usually no charge for computer-to-computer calls, no matter the distance.
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