Re: [hylafax-users] Repost - HylaFAX not honoring T.31?

[Steve Underwood <steveu@xxxxxxxxxxx>]

Lee Howard wrote:

> On 2004.11.26 11:49 Darren Nickerson wrote:
>
> > (mod - resposted on behalf of the original author - our MLM software
> > choked on the content for some reason)
> >
> > > Hi,
> > >
> > > T.31 says the correct response to "+FCLASS=?" is "0,1.0". HylaFAX
> > 4.2.0
> > > doesn't like this, but seems happy with just about any non-standard
> > > string - "0,1", "0,1,1.0", "0,1,2", etc. Can anyone tell me if this
> > is a
> > > bug, or if there is a good reason for it?
> > >
> > > Regards,
> > > Steve
>
> Where is it choking on it?
>
> The only time I've seen HylaFAX choke on an AT+FCLASS=? response is 
> when it did not provide an "OK" following it.  Like this:
>
> <-- AT+FCLASS=?
> --> 0,1.0
> --> OK
>
> See: http://bugs.hylafax.org/bugzilla/show_bug.cgi?id=421
>
> Lee.

I haven't looked inside HylaFAX to see where it chokes, but:

If my softmodem replies with either "0,1.0" or "0,1" faxaddmodem is 
happy, and will configure the modem.

If my softmodem replies "0,1.0" faxgetty sticks as the point where it is 
waiting for the reply to "+FCLASS=?", until a timeout occurs.
If my softmodem replies "0,1" faxgetty is happy, and I can send and 
receive faxes successfully with my softmodem.

I make no other changes, so this does not appear to be related to 
whether I send "OK" at the right times, or gets the line feed and 
carriage returns right.

Although I can get HylaFAX to work, "0,1" does not comply with the spec. 
and I am not happy about that. I realise the spec is much abused. Some 
modems document that "1" will give you a modem like the T.31 spec. and 
"1.0" will give you a modem like the V.34 supplement to T.31. They claim 
this complies with T.31, but T.31 does not concur with that view.

Regards,
Steve


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