[hylafax-devel] Re: Getting Fax over the GSM network

[Dmitry Bely <dbely@mail.ru>]

Eric Huaume <eric.huaume@art.alcatel.fr> writes:

> > > I am involved in a Fax Class 1 implementation developpment over the GSM
> > > network.
> > >
> > > The configuration is as follows :
> > >
> > > - a linux PC with hylax4.1beta2 connected to a mobile phone with a
> > > serial line,
> > > - the hylafax software is in charge of the Fax Class 2 protocol (T.30
> > > recommendation),
> > > - the DCE is a mobile phone in charge of the Fax Class 1 protocol over
> > > the GSM network (3.45 recommendation),
> > > - the communication between these two entities is performed by the way
> > > of AT commands (T.31 recommendation).
> > 
> > T.31 defines Class 1.0 standard, while Hylafax supports only Class 1
> > (TIA/EIA-578). These standards are *different*.
> 
> I trust you about it. However, Hylafax seems to work correctly with the
> AT commands of the T.31 recommendation.

[...]

Forget all I told you before -- almost everything was wrong :-( Here are the 
comments of Harald Pollack (sent by private mail) -- I repost them because
I think they may be interesting for your (and other Hylafax
Developers). It's really seems that some Hylafax Class1 timing issues
should be fixed...

Hope to hear from you soon,
Dmitry



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