Note: The error code is the last 3 digits of the code you see in the error notification. For example, if you see the error notification Call failed (code: 2202404), the error code is 404.

If you are receiving Zoom Phone error 415: Media type not supported, please contact your admin and check media type., this means that the media type (audio codec) is not supported.

Contact your Zoom Phone admin for help. You may need to change your network firewall or proxy server settings.