listen to messages while arriving (was: Re: remote control of vgetty)

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On Thu, Dec 10, 1998 at 12:06:27AM +0100, Gert Doering wrote:
> On Wed, Dec 09, 1998 at 10:59:18AM +0100, Erik Harren wrote:
> > Is it possible to control/listen to recorded messages, when coming via
> > telephon-line?
> 
> Right now, not that I know.  One could try to build something that will
> feed the voice data into a pipe, and "tee" it into a file and /dev/audio
> or so.  But the delays will be significant.

Some voice modems (at least ELSA33.6-TS) can be put in a "verbose mode", in
which you can actually hear the caller thru the modem speaker... No piping,
no delays...

Don't know, whether there is a vgetty switch for that, or one has to poke in
the sources (which I did, some versions ago). Poorly, I forgot which AT
command caused the ELSA modem to enter "verbose mode", but the info must be
somewhere on my harddisk...

I dropped the idea of using the ELSA modem for voice stuff... quality was
*ummh* ...poor :-) ...


michael