Encrypted GSM phone

Jama Solomo gaus-tigris at gmx.de
Tue Apr 10 07:04:04 UTC 2012

> Yes, the idea has been raised many times before.
> The problem is that in a lot of network the voice is going to be
> decompressed in the network, transferred as PCM and then recompressed.
The crypt phones, which are used from our politicians  today,
establishing a CSD connection for voice crypt transmission.

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