2: The remote audio stream is decoded and plays normally, probably due to #REMOTE_AUDIO_REASON_NETWORK_RECOVERY (2), #REMOTE_AUDIO_REASON_LOCAL_UNMUTED (4), or #REMOTE_AUDIO_REASON_REMOTE_UNMUTED (6).
4: The remote audio fails to start, probably due to #REMOTE_AUDIO_REASON_INTERNAL (0).
3: The remote audio is frozen, probably due to #REMOTE_AUDIO_REASON_NETWORK_CONGESTION (1).
1: The first remote audio packet is received.
0: The remote audio is in the default state, probably due to #REMOTE_AUDIO_REASON_LOCAL_MUTED (3), #REMOTE_AUDIO_REASON_REMOTE_MUTED (5), or #REMOTE_AUDIO_REASON_REMOTE_OFFLINE (7).
State of the remote audio stream.