[Freeswitch-users] FAX problems
schoch+freeswitch.org at xwin32.com
Sat Jan 19 04:40:00 MSK 2013
On Tue, Jan 15, 2013 at 6:52 PM, Dave R. Kompel <drk at drkngs.net> wrote:
> Another option would be on the Linux box, enable SPANDSP modems, and use
> com0com on windows to backup com ports to raw TCP connections. It supports
> both. That way it would talk over a TCP pipe to an emulated modem on your
> other FreeSWITCH box.
I just tried that with limited success. I turned on 2 of the SPANDSP
modems (and figured I had to give the freeswitch account (the user that
runs freeswitch) write permission to the /dev directory so it could create
I then installed com0com on my Windows 7 box, installed sercd on the FS
server (Linux), and ran hub4com on the Windows box to connect to sercd.
As a result of all that, I can use Putty to connect do the CNCA0 serial
device, and issue AT commands, and it responds like a modem! I issued an
ATDT <fax number> command and the call came through to the fax machine.
(This is the FAX machine connected to the POTS line.)
However, when I installed a "Standard 56000 bps Modem" connected to CNCA0,
and attempted to use it to send a FAX from Windows, it said "An unexpected
To make sure Freeswitch can actually do FAX, I ran
originate sofia/gateway/<gateway name>/<phone number>
where the fax file specified was a TIFF file that I had lying around. This
I'm now considering installing the Windows version of FreeSwitch on the
machine of everybody who needs to send FAXes. That may take less time and
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