wrtc.app is a string property containing application name.
The application name is a descriptive name of your website, preferable with a version number in it too, that identifies your application.
wrtc.app is stored in the local log and in the IXNX server log.
String value containing descriptive application name.
"unknown"
You should set wrtc.app in your wrtc.init() function.
wrtc.app = "Example client 1.0.2";