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[hylafax-users] TR: Problem while receiving faxes from hardware fax machine when behind a PBX



Hello,

 

In fact I solved the problem by unistalling capi4hylafax and by using /dev/ttyds01 instead of /dev/capi20 as if it was an analog modem.

Then I configured it with faxaddmodem and it works like a charm !

 

So if you try to use an ISDN Eicon card with Hylafax, it’s much easier to use it with /dev/ttyds01 and AT commands than with capi4hylafax.

 

Regards !

 


De : hylafax-users-bounce@xxxxxxxxxxx [mailto:hylafax-users-bounce@xxxxxxxxxxx] De la part de Matthieu Perineau
Envoyé : lundi 26 janvier 2009 14:37
À : hylafax-users@xxxxxxxxxxx
Objet : Re: [hylafax-users] Problem while receiving faxes from hardware fax machine when behind a PBX

 

Hello,

 

I found that the ISDN card uses the VN3 protocol on the Hylafax server but the ETSI-DSS1 protocol on the Rtefax server. Maybe this is what is causing the issue.

 


De : hylafax-users-bounce@xxxxxxxxxxx [mailto:hylafax-users-bounce@xxxxxxxxxxx] De la part de Matthieu Perineau
Envoyé : lundi 26 janvier 2009 12:57
À : 'Giuliano David'
Cc : hylafax-users@xxxxxxxxxxx
Objet : Re: [hylafax-users] Problem while receiving faxes from hardware fax machine when behind a PBX

 

Hello,

 

Thanks for your reply. But my case is slightly different, my Hylafax server is behind a direct line, there’s no PBX.

But I cannot receive faxes when they’re coming from faxes behind a PBX.

 

I have a secondary fax server, using RTEfax and with it, no problem (using the same ISDN line and same modem), I can receive fax from machines behind a PBX (the same which don’t work with the Hylafax Server).

 

So I’m sure that the problem comes from my Hylafax server.

 

But I’m not sure the problem comes from Hylafax, Capi4hylafax or the ISDN card parameters.

 

Bye !

 


De : Giuliano David [mailto:g.david@xxxxxx]
Envoyé : lundi 26 janvier 2009 11:21
À : Matthieu Perineau
Objet : Re: [hylafax-users] Problem while receiving faxes from hardware fax machine when behind a PBX

 

I experienced the same problem for my outgoing faxes from behind a PBX (Asterisk) to normal fax machines. The problem was in codecs.
To solve this issue, I had to create a special "fax-uot" dialplan in my PBX. I mean that the only allowed codec for calls made by fax extensions (regitered IAX in my scenario) is now ALAW (uncompresses format)
This worked for me.
Of course, in your case is not a problem of your setup.

Hope it helps

g

Matthieu Perineau wrote:

Hello Everybody,

 

I’m running an Hylafax server under Debian Linux.

 

Hylafax version is 1:01.03.00.99.svn.300-12  and Capi4hylafax version is 1:01.03.00.99.svn.300-12.

 

The modem used on this server is an RNIS Eicon Diva Server BRI-2M 2.0 PCI, the drivers are Diva4Linux_installer_8.5-108-106.

 

Of course I use capi4hylafax to use it with Hylafax.

 

The Hylafax server is connected to a direct RNIS line (no PBX).

 

In general, everything works fine, I can receive faxes and send faxes.

 

But sometimes, people from the outside cannot send me faxes. After some tests, I have determined that it only happens when their fax machine is behind a PBX.

 

When that problem happens, there’s nothing in hylafax or capi4hymafax logs, as if  no communication was detected.

 

On the other side, their fax machine displays the « no response » error and tries to re-send it again and again, but always fail.

 

 

Do you know what problem can it be and maybe an option or something else to solve this problem ?

 

 

Regards !

 

 

Matthieu Perineau

 

 

Sincères salutations.

 

Matthieu Perineau

Administrateur Réseaux & Systèmes

Groupe Cahors (www.groupe-cahors.com)

Tel : 05 65 35 72 11

Abrégé : 8415

 

 

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