How to receive a call signal from third-party PBXs?

Question

Telephony

There are many PBXs - mangoes and so on.
You need to receive a call signal like that - maybe the sip protocol can signal to two devices or something else. xs
and at the same time so that the user does not touch the x-lite settings - also continued to sit on the mango

Answer 1

judging by the previous question, you decided to make automatic telephone exchange. well, reconfigure softphones for it