---
page_type: error
code: 53405
message: "53405: Media connection failed or Media activity ceased"
level: ERROR
product: Programmable Video
---

## Description

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

### Possible Causes

- 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.

### Possible Solutions

- 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.