From: Remo Pini <rp@rpini.com>
Date: Sun, 28 Jul 1996 21:03:06 +0800
To: cypherpunks@toad.com
Subject: Re: "privatizing" phones?
Message-ID: <9607281026.AA29368@srzts100.alcatel.ch>
MIME-Version: 1.0
Content-Type: text/plain


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To: cypherpunks@toad.com
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                            rp@rpini.com
PGP:  http://www.rpini.com/remopini/rpcrypto.html
- ------< words are what reality is made of >------
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