[asterisk-users] Sending and receiving fax with Digium FFA

[Kevin Larsen]

> Hello. 
> I've been trying to setup Free Fax for Asterisk on a Debian machine 
> with Asterisk 1.8. I have managed to register and installed the 
> Digium modules. Sending and receiving through it have resulted in 
> failure. The output of fax show capabilities is:
>     Registered FAX Technology Modules:
> 
>     Type            : DIGIUM
>     Description     : Digium FAX Driver
>     Capabilities    : SEND RECEIVE T.38 G.711 MULTI-DOC
> 
>     1 registered modules
> 
> We have a fax blackbox  through which I'm trying to send faxes to 
> the Asterisk server. Every time that I send a fax I get a timeout 
> error. Been tinkering with the settings and whatnot to get it working.
> 
> 
> 
> The extension to receive fax:
>     exten => recvfax,1,Verbose(2,Receiving fax)
>         same => n,Set(FAXDEST=/tmp/fax)
>         same => n,Set(tempfax=${STRFTIME(,,%C%y%m%d%H%M)})
>         same => n,Wait(8)
>         same => n,ReceiveFax(${FAXDEST}/${tempfax}.tiff,f,d)
> It's without most of the tinkering I've done, which are: setting ecm
> to no, tweaking the min/max rate and other things.
> 
> Also, because the fax machine can't print (half broken), we receive 
> our faxes through a fax to email service we have subscribed to, so 
> the tests for sending have that one as a destination. 
> 
> The extension to send fax:
> exten => sendfax,1,Verbose(2,Sending fax)
>     same => n,Set(faxlocation=/tmp)
>     same => n,Set(faxfile=fax.tiff)
>     same => n,Set(FAXOPT(headerinfo)=Testing FAX)
>     same => n,Set(FAXOPT(localstationid)=123456)
>     same => n,SendFax(${faxlocation}/${faxfile},d)
>     same => n,Verbose(2, Fax Status: ${FAXOPT(error)})
> I did the exact same thing, and tried sending from both a SIP 
> channel and a DAHDI line. The weird thing is that when I am sending 
> through Asterisk I get, as a response to fax, a recorded message 
> from the telco. Sending through the same line with the fax machine 
> works perfectly.
> 
> Any advice and help is welcome.

Can you post the output of the Asterisk CLI from a failed fax call? What 
you have looks ok for the most part, at least on the receiving end. Did 
you install the license key for the Free FAX for Asterisk module?
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