[Asterisk-Users] T.38 fax summary

[Steve Underwood]

Lee Howard wrote:

> On 2005.02.27 11:28 Jon Gabrielson wrote:
>
>> You wouldn't happen to know how to do this would you?
>> I currently have a box with both hylafax and asterisk installed.
>> asterisk handles the dedicated voice lines over a t100p and
>> hylafax handles the dedicated fax lines over a 4port serial card
>> with external modems.
>> It would be really nice if I could have them share the lines
>> instead of having all the lines dedicated to either one or the
>> other.  The problem is that the only way to detect whether it
>> is a fax is for asterisk to answer it first and then there is no way
>> that I know of to send it on to hylafax.
>
>
> Sure there is a way.  A couple of ways (at least).
>
> 1) Get a 4-port TDM card and install it into your Asterisk box.  
> Connect the TDM ports to your modem ports.  Then forward incoming 
> calls on fax DIDs to those TDM ports.

Currently this doesn't work. A FAX machine connected to a TDM card fails 
almost every call. It used to work OK. The TDM driver seems to be buggy 
right now.

> 2) Get another T1 port in the Asterisk box and get a T1 fax modem and 
> do the same thing.  You probably don't have the fax-demand to justify 
> the hardware expense, though.


Regards,
Steve