[asterisk-users] rxfax, spandsp and lack of ecm

Artifex Maximus artifexor at gmail.com
Wed Sep 13 05:40:05 MST 2006

Craig & Doug,

Thanks for your info. I'll do that way.

Is there any chance for implementing ecm in rcfax/spandsp? I think
using rxfax is more friendly than using a modem emulator connected
through a virtual device to a fax software. It's sound as a very
bizarre way to me. :-)


On 9/13/06, Craig Guy <cguy at bigpond.net.au> wrote:
> spandsp supports 9600 rx and does not support ecm.  If you want ecm, use
> iaxmodem with hylafax - http://iaxmodem.sourceforge.net , currently hylafax
> in conjunction with iaxmodem seems to be more reliable than rxfax and
> spandsp by themselves.
> Craig
> ----- Original Message -----
> From: "Artifex Maximus" <artifexor at gmail.com>
> To: <asterisk-users at lists.digium.com>
> Sent: Wednesday, September 13, 2006 6:31 PM
> Subject: [asterisk-users] rxfax, spandsp and lack of ecm
> > Hello,
> >
> > I had received a lot of unreadable pages with rxfax. I've been doing
> > some search on net and found this:
> > http://threebit.net/mail-archive/asterisk-users/msg15708.html
> >
> > It looks like rxfax/spandsp doesn't support ecm error correction. Bad
> > news for me. Is it still the case? app_rxfax.c dated as 8th of
> > february so I think the answer is yes but I am still hoping a little
> > no or might someone have a patch for enabling/implementing ecm.
> >
> > bye,
> > Zsolt

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