[Gta04-owner] Modem crashing?

Radek Polak psonek2 at seznam.cz
Fri Feb 17 09:30:56 CET 2012


On Thursday 16 February 2012 08:37:23 Marcel Holtmann wrote:

> > Why should they implement and certify voice commands, PCM audio
> > interface and so on if it were a data call only modem?
> 
> either they have a call state notification command and never told you
> about it or this modem has never been used for voice calls.
> 
> If anybody would have been serious about using this in a phone type
> device with voice calls, then a call state notification would exist. The
> polling is expensive and will drain your battery. In addition doing that
> on USB is not really battery friendly either.

Btw you can detect that the call ended with arecord - the umts soundcard stops 
sending data...

I can also do simple test to check how long talk time we have now with sound 
routing and CLCC polling.

Regards

Radek


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