line.displayName is a string property containing the descriptive user display name you are using on this connection.
Usually line.displayName is the same as wrtc.displayName, but some servers may change it, see example below.
String containing your descriptive user display name.
Same as wrtc.displayName
If your wrtc.displayName is "John Doe" the RTCgate server may change it to "John Doe at Company"
Then: