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In this video, Jeremy Cioara explains how telephone systems generally work and what sets VoIP apart from the analog and digital voice systems of both the past and present. He also describes the advantages of VoIP over traditional systems and some of the real-world protocols used to achieve this.

After watching this video, you will understand the basics of how voice communications work, no matter how technical your background.

Jeremy will teach you how voices move from one device to another and how analogue, digital and VoIP systems enable this in very different ways by converting voices into electronic impulses or data before sending them over cables. You'll further learn how VoIP uses TCP/IP and several special codecs not available in analog and digital systems to make voice communications more efficient, easier, and compatible with a wide range of devices.

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