53405: Media connection failed or Media activity ceased

Raised by the Client or Server whenever a media connection fails or raised by the Client whenever it detects that media has stopped flowing.

• The Client was unable to establish a media connection.
• A media connection which was active failed liveliness checks.
• The flow of media on the connection has ceased.
• The Participant declined permission to use the local network in a Peer to Peer Room.

• If the problem persists in a Group Room, try connecting to another region.
• Check your Client's network connectivity.
• Ensure that Network Traversal Service is enabled for your Configuration Profile and/or Room.
• If you've provided custom ICE Servers then ensure that the URLs and credentials are valid.
• Select LocalNetworkPrivacyPolicy.blockAll on iOS 14+ unless you have permission to use the local network.