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Re: "privatizing" phones?
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To: [email protected]
Date: Sun Jul 28 12:24:57 1996
> Even if they did change the frequency the call was on,
> it would be a simple matter to decode how the frequency
> change was negotiated, and "follow" the call (also easily
> accomplished with cellular calls). Failing that, there is
> a very limited range of frequencies allocated for cordless
> fones, and simply re-scanning for the conversation is a
> trivial inconvenience. //cerridwyn//
>
Most of those systems do also change the order of the transmitted data, and
that's not limited to a few possibilities. If it's digital, they usually
encrypt it (only weak, but hey, you normally have to find the key real
time!)
- --------< fate favors the prepared mind >--------
Remo Pini [email protected]
PGP: http://www.rpini.com/remopini/rpcrypto.html
- ------< words are what reality is made of >------
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