Question

what is vtc
please answer
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Answer 1

video teleconferencing (vtc) is a technology that facitilates the communication and interaction of two or more users through a combination of high-quality audio and video over internet protocol network (IP).

Answer 2

VTC is video teleconferencing which is like the video conferencing that helps us to communicate and interact using telecommunication technologies. And it supports both video and audio. And more can participate in it. It's helpful in businesses.
Thanks