[asterisk-users] Asterisk - Spandsp Fax not working?

[Jonn R Taylor]

Jonn R Taylor wrote:
> marco britannio wrote:
>> Hi all,
>> I'm trying to setup an asterisk based fax receiving machine.
>> i'm using asterisk 1.2.18 and app_rxfax with spandsp 0.0.4pre9
>> I have no problems with a modem-fax, but with the fax machines i have 
>> tried almost every fax fails, both in sending and receive.
>> the machines are sending a receiving a lot of faxes every day and 
>> working well, so i think the problem is on the spandsp side.
>> i have tried almost every spandsp version from 0.0.2 to the current one, 
>> both with and without ECM, but without luck.
>> has anybody succeeded in receiving faxes with asterisk app_rxfax and 
>> spandsp?
>>
>> I'm noticicing a lot of different behaviours: sending w ECM gave me an 
>> OK, and the second half of the page was missing, other faxes fail with
>> Sep 26 17:26:18 DEBUG[4741] app_rxfax.c: 
>> ==============================================================================
>> Sep 26 17:26:18 DEBUG[4741] app_rxfax.c: Fax receive not successful - 
>> result (11) Unexpected message received.
>> Sep 26 17:26:18 DEBUG[4741] app_rxfax.c: 
>> ==============================================================================
>>
>>
>> can anybody help me?
>> thank you in advance,
>>
>>
>> marco
>>
>>
>> ------------------------------------------------------------------------
>>
>> _______________________________________________
>>
>> Sign up now for AstriCon 2007!  September 25-28th.  http://www.astricon.net/ 
>>
>> --Bandwidth and Colocation Provided by http://www.api-digital.com--
>>
>> asterisk-users mailing list
>> To UNSUBSCRIBE or update options visit:
>>    http://lists.digium.com/mailman/listinfo/asterisk-users
> 
> Marco,
> 
> First off, do not use any version over 0.0.3. I am using 0.0.3 on centos 
> 4.5, asterisk 1.2.24 and freepbx 2.3 and it is working very well. One 
> very important thing to keep in mind is that faxing over voip will only 
> work reliably with ulaw or alaw and your internet connection MUST be 
> able to sustain a constant data stream with low jitter. If your 
> interested I have a shell script to install asterisk 1.2.24 and 
> freepbx-2.3 with rxfax and txfax on centos 4 and working on centos 5.
> 
> Jonn
> 
> http://jonnt.users.taylortelephone.com/asterisk/centos-asterisk-install.sh
> and hylafax / iaxmodem
> http://jonnt.users.taylortelephone.com/asterisk/
> 
> 
> _______________________________________________
> 
> Sign up now for AstriCon 2007!  September 25-28th.  http://www.astricon.net/ 
> 
> --Bandwidth and Colocation Provided by http://www.api-digital.com--
> 
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
Oopps, missed the file name.

http://jonnt.users.taylortelephone.com/asterisk/iax-hylafax-setup.sh