What is VoIP?

What is #VoIP? Google it, and you'll get about 88,400,000 search results. Read the article page on Wikipedia, and you will get 6899 words of explanation, with something like: "Voice over Internet Protocol (VoIP), also called IP telephony, is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet." No need for complicated jargon! Check out this video where we simplify VoIP in the easiest way possible. And the best part? It will only take you about 120 seconds!

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More videos from our WHAT IS playlist:

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[Abijossy]

Please do you have any video on NEC, Cisco or Avaya telephony technology or principles

[oleg_artene]

I got it from every single explanation that I found "phone voice call over internet", ok.
But I still don't get how it works in real life:
1. How to register a voip phone number?
2. Does my regular phone provider support voip?
3. How to understand the pricing?
4. Does the phone work only connected to my provider internet cable or I can carry it with me anywhere in the world?
5. Is a special hardware phone required or voip it's just an internet account that I can use in different voip software?
6. Will it work on my smartphone parallel with a regular phone number?
7. Does it make sense for individuals or it's more only for businesses?
8. Who owns my number - a virtual internet company or it is physically attached to a phone company in a specific country like a real phone number?
9. When I make a call to a person with regular number, in the end my call happens over the regular phone lines/towers/prices or it's some tricky internet routing and special lower pricing?
10. Can I connect multiple devices to the same account and have a group talk by answering from multiple devices when I get an incoming call or do a call?

[eldikurti]

Can we say that VOIP does the same job like WHATSAPP or VIBER?