Open Knock and click on a contact.

Your contact receives a Knock, followed by a preview video stream.

If they accept, their camera switches on and your call starts.

noc is the world’s most efficient video chat tool. A company with 5,000 employees can save 188 hours of human effort every day by using Knock instead of other leading video conferencing services.
Here’s the simple three step process of making a call:

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