Voice over IP - Wikipedia
Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP)...
Simple Explanation of VoIP - YouTube
A basic, simple explanation of VoIP for a non-technical person. Voice Over IP is rapidly changing the landscape of voice telecommunications.
The Best Business VoIP Providers for 2021 | PCMag
With a cloud voice over IP (VoIP) service your business communications stay centrally managed even if your employees are working from home or using different devices.