I’ve got a new setup that I’ve compiled with GVSIP on a Debian Stretch instance.
I’ve got everything set up according to the GVSIP howto here: How-To Guide for Google Voice with Freepbx 14 & asterisk gvsip, Ubuntu 18.04
If I set the inbound route to go directly to the fax extension, it works fine. If I set it up to do fax detection (SIP), it appears to detect that a fax is incoming:
[2018-08-14 09:49:52] NOTICE[C-0000000f] res_fax.c: FAX CNG detected but no fax extension in context (from-did-direct)
[2018-08-14 09:50:03] VERBOSE[C-0000000f] app_dial.c: Nobody picked up in 15000 ms
but it fails to send it to the fax extension.
I have verbose logs I can post if needed, but I feel like I’m doing something trivially dumb here and I hope someone can help.
Wait, are you sending fax through GV?
Well, I haven’t tried sending faxes through GV, but I may try that later. Right now, I want to get fax receiving working first.
I was able to send and receive fine using the old Motif plug-in. There was a script that set up the fax extension. I haven’t analyzed that yet but I ran it and the fax extension was set up.
I don’t really know if the fax extension hand off is working right, or if I need to do something special for that.
As mentioned, faxing directly to the extension works (to hylafax), and fax detection seems to work, but I can’t figure out why it’s not forwarding to the fax extension after detection.
I initially tried setting up fax extensions in FreePBX / Xorcom. I found that it was… not as stable as I wanted.
So, I set up IAXModem (I have currently 8 virtual modems running on my box), a “Fax Pool” custom destination, and all of my inbound routes with fax DID’s go to the Fax Pool custom destination. From there, I modified extensions_custom.conf to make a ring group to ring the IAX Modems… in Hylafax, I edited FaxDispatch to look at the DID coming in for the faxes, to decide to which email address to send the converted-to-pdf faxes.
Overall, it works very well that way… if I want to add another fax number, I just add an inbound route to go to the Fax Pool destination, and edit FaxDispatch for the new delivery location.
That being said, I receive between 2000 and 2500 faxed pages a week… and send out about 600 a week on average.
Oh… and with it all set up this way, I can use the Hylafax Reloaded virtual printer, so my users can all fax from their desktops.
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