Fusionpbx Fax Inbound Issue

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shergill1504

New Member
Oct 20, 2021
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I recently installed Fusionpbx verson 5.4.5. I'm trying to setup fax server on it. Fax outbound is working fine but inbound is not working.
I've tried adding fax extension under Fax Detection field as well as directly in the Actions in Destination tab, but it didn't work.

Can anyone please help.
 
If you are directing one of your numbers to a FAX Server I recommend using a dedicated phone number for FAX. When using a dedicated phone number for faxing then you can skip fax detection.

The correct FAX settings are dependent on your VoIP provider. You should look for their documentation on how to FAX through your VoIP provider.
 
I've a dedicated fax number. I've tried both options. It didn't work.
I also tried calling the dedicated phone number, usually it should give me a fax tone, but it is not playing that also.
 
You should definitely hear a FAX tone. You can try calling the FAX extension number from a registered phone on the server. Then you should hear FAX tone.

Advanced -> Modules page, you should see one that says SPANDSP. This module is required for FAX.
 
SpanDSP is running. I tried stopping it and running it again. But no luck. I tried calling the extension number also nothing works. Should I share the fs_cli log?
 
On your fax server what is the extension number and destination number? In most cases they should match with the same value.

Have you tried calling the fax server extension number from a local extension on the same system and domain to see if you get a tone?
 
The screenshot shows where it is configured wrong. My previous message said this
On your fax server what is the extension number and destination number? In most cases they should match with the same value.
Click to expand...
The FAX Server Extension number is 18801. Now set the Destination Number to 18801. Then try calling it again. You should get FAX tone on your next test after you correct the setting.
 
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