[asterisk-users] Is possible to use FXO Digium card like a Fax modem?

[Greg Woods]

On Wed, Mar 30, 2016 at 6:36 AM, A J Stiles <asterisk_list at earthshod.co.uk>
wrote:

> On Wednesday 30 Mar 2016, Vitor Mazuco wrote:
>
> > Is possible to use X100p TDM400P, Tdm410p, Tdm400, A400p, Ax400p or
> > any others digium card FXO for use Fax modem?
>
> Yes, in theory it is entirely possible to use an FXO card driven by
> software
> as a modem  (and indeed, this is exactly what Winmodems do);  although you
> will have to do all the hard work


There are also cheap USB fax modems that you can attach to an FXO port and
that works fine. All you have to do then is configure asterisk to detect
incoming faxes and route them to that port (faxdetect=yes?).

This worked great for me when I had all my incoming calls coming over a
Century Link POTS line. As I approach retirement and want to save money, I
switched from the $44/month POTS line to a pennies-per-month VOIP service
via IAX registration. So now I'm wondering whether this setup would still
work. The question undoubtedly shows my ignorance of telephony stuff. I'm
willing to do my homework, I just want to know if it's even possible to do
this, or if there are better ways to handle fax over VOIP.

--Greg
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