Currently if RTCPeerConnection is closed (an event is delivered) and we haven't called close method ourselves, this means browser has closed it due to suspending the PC.

As I see no hidden meaning in the current non-preservation of
alphabetical order, I prefer to facilitate scanning (in the fashion of
searching in a dictionary).

The event is triggered when the notification about the user's connection
status change arrives from the JVB.

via presence (via special items with a tag name beginning with
"jitsi_participant_). An events is fired when the value of a property changes.