How Free Internet Calls Work


Today internet voice and video calls are commonly made using apps like the already mentioned Skype, Viber, Facebook Messenger, WhatsApp and others, over a high speed internet connection.

Whether you’re calling someone in your own neighborhood or someone on the other side of the planet, if you’re both using the same app, the calls are typically free!

It’s all thanks to a technology called VoIP - Voice over Internet Protocol.


(by: CHM Tech)
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