Voicebox via isdn

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Hi Gert.
On Sat, 24 Jul 1999 you wrote:
> > How can I use my ISDN-Card (Fritz!Classic) for answering voice calls? Outgoing
> > calls are possible using message.sh and in the log I saw that vgetty sets
> > the voice mode (AT+FCLASS=8). But because vgetty finaly set back AT+FCLASS=0
> > the card didn't react on incoming voice calls (what it does in minicom when I
> > set AT+FCLASS=8 by hand). 
> 
> Hmmm.  I admit we have a problem here - vgetty does switch back to
> +FCLASS=0 for the "waiting..." because +FCLASS=8 did cause other problems
> for "normal modems".
> 
> So it seems we must not switch to +FCLASS=0 for isdn4linux, but we *do*
> have to do it for some modems, so this smells like major changes in the
> voice part.
> 
> Maybe it's something we can do with clever isdn4linux "AT" commands, like
> "give me a RING for every call type" or so - could you check this with the
> i4l docs?

I've didn't find any AT-commands for this. But while im searching for, I've
found that the register 18 determine what kind of service the card will answer.
So I append S18=5 (answer data and voice calls) to the initstring in
mgetty.conf and: it works!
I've analysed the log and font out, that vgetty set S18=5. SO where is teh
difference? I played around with minicom and did a diff over the two parts of
the log and it becomes clear: when S18 is set to 5, AF+FCLASS is set to 8
automatically by i4l. And as a consequence of this, vgetty set AT+FCLASS back
to 8 at the end of initialisation.

So I'm now able to use the ISDN-card as answering machine.

Ciao, Rene

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  rene.fertig@wtal.de                fido: Rene Fertig@2:2443/2161.6
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