[Asterisk-Users] Fax

Tilghman Lesher tilghman at mail.jeffandtilghman.com
Tue Jan 13 09:06:20 MST 2004


On Tuesday 13 January 2004 03:42, Jason Penton wrote:
> I have just a quick question regarding app_txfax for Asterisk.
>
> When I send a fax from asterisk to a traditional fax machine
> connected to asterisk via the digium analog card everything works
> perfectly. However the same fax machine on the public telephoine
> network results in errors (looks like some sort of training error).
>
> My asterisk box is connected to the pstn using an ISDN card. I
> don't mind trying to fix this myself but I am puzzled by the
> different behavior experienced when the fax machine is on the
> digium card and when it is connected to our public carrier, and
> therefore have no idea where to start. Would someone (Steve
> Underwood ;-) )mind at least putting me on the right track so I can
> address this issue?

If you read the caveat for the TxFax and RxFax applications, you'll
note that they will only work with Zaptel devices.  Your ISDN card is
not a Zaptel device.

-Tilghman




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