--- In Jason Stahls <> wrote:
>
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> On 01/10/11 10:16, Simon Leung wrote:
> > Hi all,
> >
> > The wavecom modem is a class B device, which means:
> >
> > "Can be connected to GPRS service and GSM service (voice, SMS), but
> > using only one or the other at a given time. During GSM service (voice
> > call or SMS), GPRS service is suspended, and then resumed automatically
> > after the GSM service (voice call or SMS) has concluded. Most GPRS
> > mobile devices are Class B."
> >
> > But from a programming point of view, there is only one device:
> > /dev/ttyS2. I'm using wvdial for GPRS. Once GPRS is connected, opening
> > /dev/ttyS2 would fail. I can of course kill wvdial each time I need to
> > send SMS but 1. it's ugly, 2. it sounds like for class B device this is
> > not necessary..
> >
> > Anybody how this works?
>
> I'd guess it's just like any other modem, send three +'s quickly (+++)
> and it dumps you to a modem prompt again. I don't think any existing
> clients would support this natively, and if you're running ppp across it
> the ppp session may drop due to inactivity...
>
Thanks. I wasn't able to open the serial port a second time. I disabled the
"lock" option in /etc/ppp/option as well but that didn't work.
> - --
> Jason Stahls
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