Fax Server
FusionPBX Fax Server handles inbound and outbound fax through a fax extension. It requires the supporting fax queue service and should be tested with both send and receive examples.
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Configure FusionPBX Fax Server
setting up fax extensions, inbound fax delivery, outbound fax, fax ATA behavior, confirmation email, and fax troubleshooting.
Caller may say: fax server, send fax, receive fax, fax inbox, fax ATA, T38 fax.
Do not use when: the issue belongs to a more specific FusionPBX feature path or is outside the Applications menu.
Agent should: confirm fax extension, FAX Queue service, inbound route, email, file/confirmation settings, T.38 behavior, and send/receive test results.
Source
https://docs.fusionpbx.com/en/latest/applications/fax_server.html