[Asterisk-Users] Which asterisk-friendly cards are fax-capable?

[Bob Goddard]

On Wednesday 12 Oct 2005 14:53, Tom Rymes wrote:
> > -----Original Message-----
> > From: asterisk-users-bounces at lists.digium.com
> > [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of
> > Bob Goddard
> > Sent: Tuesday, October 11, 2005 6:35 PM
> > To: Asterisk Users Mailing List - Non-Commercial Discussion
> > Subject: Re: [Asterisk-Users] Which asterisk-friendly cards
> > are fax-capable?
> >
> > On Tuesday 11 Oct 2005 22:41, Lee Howard wrote:
> > > Tom Rymes wrote:
> > > > Frankly, I would recommend that you forget about trying
> >
> > to fax with
> >
> > > > Asterisk. Buy a good Multitech analog modem and install HylaFAX.
> > > >
> > > > Use the right tool for the job!!!
> > >
> > > Actually, you can use HylaFAX and Asterisk together.
> > >
> > >   https://sourceforge.net/projects/iaxmodem/
> > >
> > > Just be certain that your audio path doesn't run over any
> >
> > lossy medium
> >
> > > (so run IAXmodem on your Asterisk box).
> >
> > I'll expand on what Tom meant....
> >
> > Use a hardware based DSP for faxing not software based.
>
> Actually Bob, that isn't what I meant. Lee simply suggested a different
> way (IAXModem instead of analog modem) of implementing what I meant. I
> would still recommend using analog if you can but, if you cannot, use
> IAXModem from Lee.

Okay!

> Asterisk's faxing capabilities are not nearly as advanced, stable, or
> easy to set up as HylaFAX. Also, there seem to be many problems with
> frame slipping and the like that screw up faxing over Digium cards, and
> maybe others as well.

Does Hylafax do software based faxing? As far as I knew, it has always
required a DSP.

> Either way, I was just saying that grabbing a good modem (see HylaFAX
> list archives for suggestions - NOT USRobotics!!!) and installing
> HylaFAX would be easier, more reliable, and all-in-all, a better
> solution than messing with Asterisk's built-in fax capability.

In other words, don't use a soft fax.