[asterisk-users] txfax not working with spandsp

[Dinesh Nair]

On Fri, 21 Dec 2007 08:50:28 -0500, David Boyd wrote:

> On Fri, 2007-12-21 at 18:41 +0800, Dinesh Nair wrote:
> > the attached log with verbose=6 and debug=6 refers.
> > 
> > we've got a sangoma A104 (no hwec) with PRI ports 1 & 3 loopbacked to
> > each other. we're trying to have txfax send out on one of those pri
> > ports with rxfax listening on the other side, hence having asterisk
> > send a fax to itself. we however have bad, and i mean really bad
> > (<10%) success rates.
> > 
> > we're currently using asterisk 1.2.24 with spandsp 0.0.4-20071214
> > (snapshot of 14/12/07) and we keep getting "Fax send not successful -
> > result (25) No response after sending a page." errors. ECM is turned
> > on in both app_txfax.c and app_rxfax.c.
> > 
> > from what we gather just reading the code, time T4 expires in txfax
> > because apparently rxfax is not sending a response back out, and thus
> > after the maximum message retries (3) txfax just drops the call,
> > leading rxfax to say that the call was dropped prematurely.
> > 
> > does anyone know what's going on here, and if there is a version of
> > spandsp which could work in this scenario ?

timing issues on the PRI you mean ? none that we can see clearly. anything
specific we need to investigate ? zttest returns 100% all of the time. 

-- 
Regards,                           /\_/\   "All dogs go to heaven."
dinesh at alphaque.com                (0 0)   http://www.openmalaysiablog.com/
+==========================----oOO--(_)--OOo----==========================+
| for a in past present future; do                                        |
|   for b in clients employers associates relatives neighbours pets; do   |
|   echo "The opinions here in no way reflect the opinions of my $a $b."  |
| done; done                                                              |
+=========================================================================+