From: shamrock@netcom.com (Lucky Green)
Date: Fri, 11 Aug 95 22:09:28 PDT
To: Ray Cromwell <vznuri@netcom.com (Vladimir Z. Nuri)
Subject: Re: PRZ encrypted voice software release imminent
Message-ID: <v02120d01ac51ef81b1df@[192.0.2.1]>
MIME-Version: 1.0
Content-Type: text/plain


At 14:42 8/11/95, Ray Cromwell wrote:

>I would like to see a secure voice communication protocol that is divorced
>from the particular details of the algorithms used (although a
>base level of some voice compression technique + DES + RSA will have to
>be used) That way, new and better algorithms can be dropped in depending
>on the network used (modem, ipx, tcp/udp, etc) and the bandwidth required
>(CELP vocoder, MPEG-audio, lossless encoding, progressive PCM, etc)

The codec used is at the very core of any computer telephony system. A
standard that doesn't specify the codec(s) can be little more than a
standard on message formats, which will be of little value if the other
side doesn't implement the same codec.

-- Lucky Green <mailto:shamrock@netcom.com>
   PGP encrypted mail preferred.