These are the possible states of a stream, a simple multicast stream could only be in "disconnected" or "ready" state. An stream using an ICE transmitter would use all of these.
at least one working candidate pair
establishing connectivity
no activity scheduled
connectivity checks have been completed, but connectivity was not established
gathering local candidates
ICE concluded, candidate pair selection is now final
These are the possible states of a stream, a simple multicast stream could only be in "disconnected" or "ready" state. An stream using an ICE transmitter would use all of these.