https://www.doubango.org/sipml5/call.htm?svn=252


https://sipjs.com/

odoo webrtc: https://www.odoo.com/documentation/14.0/applications/general/voip/asterisk.html
Tao Wu — VoIP Freelancer — support@wuyifan.com
https://www.doubango.org/sipml5/call.htm?svn=252
https://sipjs.com/