[Gta04-owner] Modem crashing?

Marcel Holtmann marcel at holtmann.org
Fri Feb 17 17:11:22 CET 2012


Hi Thomas,

> >> I think Radek's approach to monitor the PCM clock - which is only active
> >> during a (single) voice call - can address this. It may of course miss
> >> some signalling with a second call coming in during a first one
> >> (GSM conference calls).
> >
> > In fact i am now also doing CLCC polling in QtMoko. I will try to collect
> > numbers during weekend on how long talk time we have:
> >
> > 1/ with CLCC polling + routing audio
> > 2/ audio routing without CLCC
> > 3/ without audio and CLCC polling
> >
> > We can then decide what to do next.
> >
> > Btw if you write another mail to Option it would be nice to ask them if they
> > know how to disable 3G (if that is possible). I am quite sure the USB
> > disconnect is because of that.
> 
> I'm pretty sure this works the same way as in any device:
> AT+CFUN
> where CFUN=5 is GSM and CFUN=6 UMTS

that is just specific to Ericsson MBM and ST-Ericsson hardware. That is
nowhere near a standard. Time to read 27.007 ;)

Option uses AT_OPSYS in their HSO based devices.

Regards

Marcel




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