You can find detailed information about what type of connection (did it go through a TURN server?) was used for the communication.
The ICE data table is a useful tool for understanding multiple ICE connectivity related scenarios, including
- Failure: When no connectivity is established
- Established, but fails
- Re-establishment of calls
A: These ICE candidates were proposed at the beginning of the conference, but they were not “nominated” and no data was sent through to them
B: This is the party the reporting participant was communicating with
C: This was the last candidate used during the communication
D: Amount of data exchanged through each candidate during the conference
E: How often STUN packets are sent to maintain the connection (NAT binding)
F: Type of candidate
More on this can be found in this blogpost outlining the features.