[Asterisk-Users] Fax

[Jason Penton]

-----Original Message-----
Hi Tilghman

Sorry must have missed that. 

However I am still confused as to why the restriction to the zaptel cards
exists. I am really keen to get to this to work using the isdn cards (I have
successfully managed to receive faxes thru my isdn card so I don't see why I
shouldn't be able to send them). This is why I hinted for Steve Underwood to
put me on the right track so as to attempt to resolve the limitation myself.

I have also been thru the code and there doesn't seem to be any code that
relates specifically to the zaptel interfaces - it is merely software DSP
code and I therefore can't see a reason for the limitation to zaptel.

Thanks anyway
Jason

From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Tilghman Lesher
Sent: 13 January 2004 06:06 PM
To: asterisk-users at lists.digium.com
Subject: Re: [Asterisk-Users] Fax

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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