[Asterisk-Users] spandsp, rxfax, TDM400/zaptel, missed frames, any help?

[Ben Fried]

On 1/9/06, Rich Adamson <radamson at routers.com> wrote:
> > Sorry in advance if this is a FAQ...
> >
> > I've got a working Asterisk setup based on A at H 2.2. I have a TDM400
> > card with 2 FXS and 2 FXO ports; PSTN connections come in via the TDM
> > card.
> >
> > I haven't been able to get inbound fax with spandsp and rxfax to work.
> > Occasionally an all-text fax will come in, though it's usually badly
> > corrupted, but in most cases, it would appear that the call is
> > terminated without successful transmission of the fax. I get logs that
> > look what's included below.
> >
> > >From reading the list, it looks like this is caused by the TDM card
> > missing frames. Does that sound correct? If so, is there any relief in
> > sight?
>
> Its been a problem since the card came out a couple of years ago. So, no
> it does not appear there is any relief in sight.

Sigh. What a disappointment! Are there any other options for home
users to receive faxes over the PSTN through *? Is anyone working on
an alternative to the zaptel driver that might fix this issue?

Ben