What means can be used to receive calls in self-written CRM?

Question

PHP

The task is to receive calls in a self-written CRM system - so that you can do it on the site itself, without using third-party applications. Is this possible to implement?

Answer 1

WebRTC + programmer.

Answer 2

take something like this: https://habr.com/en/post/144293/ already covered with dust: 8 years

Answer 3

Can be done using the Janus WebRTC server and SIP plugin.
Demo here: https://janus.conf.meetecho.com/siptest.html