When deploying webrtc , Most commonly asked question is regarding the entries required on both internal and external DNS.

Required Internal DNS:-

A Record

join.mydomain to webbridge IP’s

Srv

_cms-web._tls. join.mydomain to webbridge FQDN

_xmpp-clinet._tcp.mydomain to XMPP FQDN

Required Public DNS:-

A Record

join.mydomain to Expressway’s IP