Hi Niko,

On 07/14/2010 09:03 PM, Nicola Mfb wrote:
> Hi!
> I tried SendTones with calypso during an active call but it failed (v0.22):
> 
> ofonod[259]: DLC0: > AT\r
> ofonod[259]: DLC0: < \r\nOK\r\n
> ofonod[259]: DLC0: Finally woke up the modem
> ofonod[259]: DLC0: > AT+VTS="1"\r
> ofonod[259]: DLC0: < \r\nERROR\r\n
> ofonod[259]: src/voicecall.c:generic_callback() command failed with
> error: Unknown error type
> 
> Am I missing somethings?
> 

I admit I never tested it on the calypso.  I have a hunch that the
quotes are not needed for the DTMF character.  E.g. AT+VTS=1.

Can you try the attached patch and report back?

Thanks,
-Denis