On Sunday 26 April 2009, Esben Stien wrote:
> Al Johnson <alast...@truebox.co.uk> writes:
> > You will have to use the one channel (say left) for connecting PCM
> > to the GSM
>
> Not sure what you mean here. You mean connect the PCM (audio chip) to
> the GSM (gsm chip)?. We shouldn't do that. We connect the GSM to a
> software PBX.

How? AFAIK there is no way to send audio data through the serial port, so we 
have to go through analogue on the audio chip.


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