asterisk users - Dec 2006 - spandsp 0.0.3 RxFax fax reception crashes bristuffed asterisk 1.2.13

Hi

Last month, people reported a crash with Asterisk 1.2.13 and
spandsp-0.0.3 when receiving a fax using fax detection.

Today I've tried 1.2.14 with the latest spandsp 0.0.3pre27 and with
the snapshots for app_rxfax.c and app_txfax.c.


The problem still happens.

Has anyone found how to resolve this issue?

I tried emailing Steve Underwood (with crash backtrace) but he hasn't
answered...

Otherwise, have you found spandsp 0.0.3 to provide better fax
reception quality than 0.0.2?
While I've had no problem with 0.0.2 locally, it usually fails when we
receive faxes from overseas :(

Thanks
Regards
Jean-Yves

Hi,

I am using CentOS 4.4 [ asterisk-1.2.12.1  ]
I too had problems with RxFax application.

I tried spandsp-0.0.2pre26 & spandsp-0.0.3pre23
.0.2 > could install, but it crashed
.0.3 > doesnt install


Finally I got 0.0.2pre26 running on debian sarge 3.1, without a crash !

- Danny

Jean-Yves Avenard wrote:
> Hi
>
> Last month, people reported a crash with Asterisk 1.2.13 and
> spandsp-0.0.3 when receiving a fax using fax detection.
>
> Today I've tried 1.2.14 with the latest spandsp 0.0.3pre27 and with
> the snapshots for app_rxfax.c and app_txfax.c.
>
>
> The problem still happens.
>
> Has anyone found how to resolve this issue?
>
> I tried emailing Steve Underwood (with crash backtrace) but he hasn't
> answered...
>
> Otherwise, have you found spandsp 0.0.3 to provide better fax
> reception quality than 0.0.2?
> While I've had no problem with 0.0.2 locally, it usually fails when we
> receive faxes from overseas :(
>
> Thanks
> Regards
> Jean-Yves
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users
>

On Mon, Dec 18, 2006 at 07:17:56PM +1100, Jean-Yves Avenard
wrote:
> Hi
> 
> Last month, people reported a crash with Asterisk 1.2.13 and
> spandsp-0.0.3 when receiving a fax using fax detection.
> 
> Today I've tried 1.2.14 with the latest spandsp 0.0.3pre27 and with
> the snapshots for app_rxfax.c and app_txfax.c.
> 
> 
> The problem still happens.
Can you provide a backtrace of the crash?

Just saying "it crashed" doesn't really help.

Also: what libraries are involved?

 ldd /usr/lib/asterisk/modules/app_rxfax.so

and report what is the version and package of each library mentioned
there. Any more automated way of doing this?

-- 
               Tzafrir Cohen       
icq#16849755                    jabber:tzafrir@jabber.org
+972-50-7952406           mailto:tzafrir.cohen@xorcom.com       
http://www.xorcom.com  iax:guest@local.xorcom.com/tzafrir

Hi

On 12/20/06, Lee Howard <faxguy@howardsilvan.com>
wrote:
> This thread seems like an awfully crazy amount of work to get fax
> working when using IAXmodem and HylaFAX would do it without the
> headache, most likely.
Does IAXmodem allows you to receive faxes with any extensions
(auto-detecting incoming faxes).

JY

Hi,

No IaxModem is only a "modem simulator".

Let asterisk do the difference, and send it to you iax extension...


@++.

Jean-Yves Avenard a ?crit :
> Hi
>
> On 12/20/06, Lee Howard <faxguy@howardsilvan.com> wrote:
>> This thread seems like an awfully crazy amount of work to get fax
>> working when using IAXmodem and HylaFAX would do it without the
>> headache, most likely.
>
> Does IAXmodem allows you to receive faxes with any extensions
> (auto-detecting incoming faxes).
>
> JY
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users

Jean-Yves Avenard wrote:
> Hi
>
> On 12/20/06, Lee Howard <faxguy@howardsilvan.com> wrote:
>
>> This thread seems like an awfully crazy amount of work to get fax
>> working when using IAXmodem and HylaFAX would do it without the
>> headache, most likely.
>
>
> Does IAXmodem allows you to receive faxes with any extensions
> (auto-detecting incoming faxes). 

Sure, I guess.  The fax detection part comes from Asterisk or OpenPBX or 
whatever.  Same as with rxfax/txfax, etc.

Lee.

Hi,

sure in an small office you can use iaxmodem/hylafax to receive faxes - we 
use it for sending faxes, but would you try to set up about 100 iaxmodems 
inside hylafax if you can handle it directly inside asterisk with rx_fax 
and a small script ?

asterisk-users-bounces@lists.digium.com schrieb am 20.12.2006 02:17:22:
> Hi,
> 
> No IaxModem is only a "modem simulator".
> 
> Let asterisk do the difference, and send it to you iax extension...
> 
> 
> @++.
> 
> Jean-Yves Avenard a ?crit :
> > Hi
> >
> > On 12/20/06, Lee Howard <faxguy@howardsilvan.com> wrote:
> >> This thread seems like an awfully crazy amount of work to get fax
> >> working when using IAXmodem and HylaFAX would do it without the
> >> headache, most likely.
> >
> > Does IAXmodem allows you to receive faxes with any extensions
> > (auto-detecting incoming faxes).
> >
> > JY
> > _______________________________________________
> > --Bandwidth and Colocation provided by Easynews.com --
> >
> > asterisk-users mailing list
> > To UNSUBSCRIBE or update options visit:
> >   http://lists.digium.com/mailman/listinfo/asterisk-users
> 
> _______________________________________________
> --Bandwidth and Colocation provided by Easynews.com --
> 
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users


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DRi@b-w-computer.de wrote:
> sure in an small office you can use iaxmodem/hylafax to receive faxes 
> - we use it for sending faxes, but would you try to set up about 100 
> iaxmodems inside hylafax if you can handle it directly inside asterisk 
> with rx_fax and a small script ?

Yes, I would, actually use 100 iaxmodems instead.

Lee.

Hi

On 12/20/06, Lee Howard <faxguy@howardsilvan.com>
wrote:
> Sure, I guess.  The fax detection part comes from Asterisk or OpenPBX or
> whatever.  Same as with rxfax/txfax, etc.
Well, I know have Hylafax and iaxmodem running on my machine.
Works really well so far and with spandsp 0.0.3

Will see how it goes with international fax transfer.
Now when can we expect txfax and rxfax to work again?