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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...
- --
Jason Stahls
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