[Asterisk-Users] FAX?

[Mark Phillips]

I can;t speak about the T400 as I use and X100 but I have made a fax call
over it and indeed received one. I also have sent faxes over iconnecthere
and galaxyvoice with success using ulaw. My fax uses a Sipura interface.

To receive faxes I got one of those washington state numbers. Seems it can
be bludgeoned into ulaw too.


> On Wed, Apr 14, 2004 at 05:11:46PM -0400, Brian Cuthie wrote:
>>
>> Should FAX transmission generally work through Asterisk and a TDM400P
>> connected through a PSTN gateway?  At first blush I'd think that if
>> they're all g.711uLaw encoded that it would work. But experience shows
>> otherwise. Is there a better way to do FAX?
> Brian, I have three implementations that are faxing.  One uses the TDM400P
> to connect the fax machine to and the other two use channel banks
> connected to * via T100P.  One of the channel banks is an Adtran 750 and
> the other is a Zhone.
>
> I have faxing working in all three configurations, however, I had to rig
> the fax machine on the TDM400P to only negotiate 4800 baud.  Prior to
> this, I was getting a high error rate and the faxes would terminate at
> various points.  I had this effect for both inbound and outbound faxes.
>
> In my case, I absolutely see a performance difference between the TDM100P
> and the channel banks listed.
>
> Maybe someone else has some experience to share.
>
> Walker
>
> --
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G7LTT/KC2ENI
Mark Phillips