I don't know anything about nice's internal states so this kind of log isn't very helpful to me:
(empathy-call:399): libnice-DEBUG: Agent 0x24d21c0 : stream 1 component 1 STATE-CHANGE 2 -> 5.
Displaying states as strings would make things much easier to understand.
Created attachment 60663 [details] [review]
agent: display NiceComponentState as strings in debug message
Thanks. I merged it upstream.