Re: [hylafax-users] Fax Corruption Problem RESOLVED

[Tassilo Erlewein <tassilo.erlewein@xxxxxxxxxxx>]

Hello,

I would like to report a solution to the formerly reported problem.

It turned out that the fax destinations having reception problems 
all had vodafone(Arcor) contracts and VOIP/NGN connection. 

We played around a bit and tried to run the fax modem as Class2 and it
worked well right away. The modem now used is a Elsa Microlink 56k, as
listed in the Hylafax Hardware Compatibility List. We use Class2 (not
Class2.0).

Hope this helps someone out there.

Thanks and best regards

Tassilo Erlewein
 

> Hello,
> 
> we have a problem probably related to Hylafax where faxes arrive
> strangely corrupted at the destination. The fax server is Debian Etch
> and Hylafax 4.4.4. The fax device is a analog v.34 serial modem
> connected via a USB serial adapter to the server.
> 
> The resulting faxes at the destination look like shrinked together
> vertically that is, several horizontal stripes of about 1cm are missing.
> Hylafax reports the faxes as being sended ok though. 
> 
> The Hylafax server runs fine with some test fax machines as
> destinations. Once we go live and send to customers the problem arises,
> troubling about 20% of the receivers. It seems to be related to certain
> destination fax machines, which effectively can't receive our faxes
> without corruption at all (we are collecting information).
> 
> Is there sort of a special "conservative" setting for the fax modem we
> could apply? We meant to do so by using Class-1 mode and let Hylafax
> handle the rest. 
> 
> We already tried a replacement modem and the problem persists.
> 
> Any help would be greatly appreciated.
> Thanks in advance.
> 
> Tassilo Erlewein



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