[Asterisk-Users] Sipura 2000 w/fax machine oddities

[Justin Richards]

I'm really trying to understand this.  I have a Sipura 2000, brother
MFC, and SpanDSP set up on asterisk.

because asterisk softfax was not working well, i set up faxes to goto
line2 on the sipura.  this is working fine, i have only tested a few
short faxes, but already my completion rate was 100% vs 5-10% that
spandsp and asterisk gave me.

here's the odd part.  using the fax machine, I can send a fax out to
another fax machine fine (using VoipJet).  but when i try to fax
something directly to my asterisk server on my LAN, the sound is very
bad, choppy/static and it can't send at all..  however, my IAXy
atleast gets good sound, but spandsp seems to poop out and give me
fakinginput errors.

I'm at a loss.  the voice echo test works fine, hold music works fine,
sipura line 1 to line 2 works fine, inbound calls from PSTN to both
lines is fine, faxing in/out to physical machine is fine.  faxing to
asterisk via LAN connection w/sipura=bad audio/connection.

Has anyone experienced this?  my search turns up nothing so far.  I
mention that I'm using VoipJet because before with the IAXy outbound
faxes over voipjet failed.

Thank you for your time!