CodePudding user response:
If you do this depends on real-time voice communication,,,CodePudding user response:
If it is real time communication, you can choose:Signaling server: OpenSIPS, Asterisk, FreeSwitch, 3 cx
The RTC client: pjsip, webrtc linphone, 3 cx
Recommend a website for you: https://www.voip-info.org/