LiarLiar, software access to voice data

Gabriel Ambuehl gabriel_ambuehl at
Fri Feb 2 16:42:54 CET 2007

On Friday 02 February 2007 14:28:09 Crane, Matthew wrote:
> That's definitely a cool idea. But will the kernel and/or user-space
> software be able to access and modify the transmitted/recived sound
> channel?  I think it would also be pretty neat if it was possible to
> lightly encrypt the voice, making the phone the open equivalent of some
> much more expensive devices.

I think you can only do that if you actually use VoiP over CSD (data GSM). 
Speex at 6kbit/s seems understandable but not very great. You can then tunnel 
the Speex stream through a OpenSSL connection and get good encryption.
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