Before answering the question 'what is VoIP', let's briefly mention the abbreviation for VoIP. It's short for Voice over Internet Protocol, a communication technology that allows you send and receive data, voice and video calls via the Internet. VoIP is pronounced as V O Y P.
Wikipedia explains VoIP as:
"Voice over IP commonly refers to the communication protocols, technologies, methodologies, and transmission techniques involved in the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, voice over broadband (VoBB), broadband telephony, IP communications, and broadband phone."
Yes, there's a slight technical difference.
I have created a page called how does VoIP work and it explains with diagrams how the technology works. You can also watch the tutorial below.
You need the follow basic requirements:
Tip: to enjoy VoIP call quality make sure you have a good Internet connection. A single VoIP line requires about 18.3 Kbps download and upload speed. The link VoIP speed test can help you to find out your Internet speed.
A device used for placing and receiving broadband telephone calls. See IP Phone.
VoIP phone services and solutions are offered by:
You may be interested in the following related topics:
Related External Resources:
Voice Over Internet Protocol - FCC
What is VoIP (Voice Over IP) - Search Unified Com / TechTarget
What is VoIP - Voip-info.org