Re: [hylafax-users] DTE to DCE Data Underflow

[Matthias Reich <rei@hagos.de>]

Andreas Grimmel schrieb:
> 
> Hi all,
> 
> I set up a HylaFAX Server quite successful some time ago, and it seemed
> to work REALLY fine. Then I went in vacation and when I came back, I got
> lots of people queueing in front of my office door, all of them telling
> me the same thing: Some Faxes just can't be delivered, and in the logs
> it says everytime the same thing: "DTE to DCE Data Underflow" etc etc
> etc. This does not happen all of the time, most faxes are delivered very
> well. For me it seems this is a problem with older Fax machines, I tried
> this in our office with one 5-year-old-machine and one 6-months-old-one.
> With the old one faxing crashes everytime, with the new one never.
> I'm using a SUSE 6.3 Box with a 2.2.14 Kernel running on a
> PentiumIII/550 SCSI Machine with 256 Megs of RAM, an Elsa Microlink 56K
> Pro Modem in Class 2.0 Mode and HylaFAX 4.1beta2.
> Could that be that the older Fax machines don't understand my Modem's
> talking in Class 2.0 mode ? I don't have too much knowledge about fax
> protocols and phone lines and that stuff, so please excuse me if that is
> a totally dumb question where reactions normally are "damn can't you see
> this has REALLY NOTHING to do with each other???" ;-)
> I would be very happy if you could help me outta this, because ignoring
> the above problem it's just wonderful seeing the HylaFAX server work (we
> had an NT Machine before, and it crashed twice a week, hehe).
> 
> Thanks to the HylaFAX devel team for just a GREAT piece of work.
> 
> Andreas Grimmel
> Network Administrator
> ADDITIVE GmbH
> Germany
> 
>   ------------------------------------------------------------------------
>                     Name: c00000008.log
>    c00000008.log    Type: application/x-unknown-content-type-txtfile
>                 Encoding: base64
> 
>                     Name: c00000007.log
>    c00000007.log    Type: application/x-unknown-content-type-txtfile
>                 Encoding: base64


I figured out two ways to fix the problem with the old fax machines

1) edit the config.ttyS?? file and put the modem to Class1
2) edit the info Files of the destinations and set the MaxSignallingRate
to 9600
    I'm not sure if this can be done in the config.ttyS?? file too

HIH
/Matthias
-- 
HAGOS eG                 phone: +49 711 7880592
Matthias Reich             fax: +49 711 7880599
Industriestr. 62           web: http://www.hagos.de
D-70565 Stuttgart         mail: rei@hagos.de
Germany
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