I tried - the Documentation project does not have any components, so it won't let me create an issue. Here is what I wanted to put in the issue description:
Please add the following info to the WebRTC wiki/confluence page:
1. <param name="tls-cert-dir" value=""/> controls the location of wss.pem file and overwrites the default /usr/local/freeswitch/certs/
2. To test wss without a valid certificate, create a self-signed certificate in the wss.pem file. Then in your browser go to
https://your.box:7443 and agree to the untrusted cert dialog. After that you should be able to open a secure websocket from your browser to this box.