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In this Webcast, the presenter getting the listener to know about the VoIP. Voice over IP is the ability to make phone calls over the internet using an IP type phone. Basically, how it works is the user pick up the handset, they make a phone call. That phone call gets converted to digital signal, then it's converted into data packets that travel over the internet and arrive at a device on the other side which will undo it, basically, and send it back into analog form.
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