A guide to VoIP, the technology that lets you make voice calls over the internet

VoIP, or Voice over Internet Protocol, is a type of internet-connected phone system.
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VoIP (Voice over Internet Protocol) is a system for transmitting voice calls over the internet.IP phones use an internet connection rather than phone lines for transmission, but otherwise work the same as traditional phones, including using area codes and phone numbers.
VoIP can be substantially less expensive and more secure than traditional landline phones.
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