Configure webrtc on magnusbilling with Asterisk 13

I have installed magnusbilling which come with Asterisk 13 on Debian

Need someone to configure Webrtc clients to connect to it useing web phones
https://www.doubango.org/sipml5/call.htm?svn=252
https://collecttix.github.io/ctxSip/

And provide a " how to " guide file

Thanks