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Sent from: jmuth@ovid.com (John Muth) Ladies and gentlemen, Philip Zimmerman. It's free. There's also a MAC version, despite the source of the following. It's free, but then there's this "Distribution Authorization Form" that's sort of creepy, which asks, "Do you agree not to export PGPfone in violation of the export control laws of the United States of America as implemented by the United States Department of State Office of Defense Trade Controls?" Of course to use it for international "calls" you'd have to export it. Illegally. Interestingly, MIT's ftp server guesses whether you are in the U.S. or not, or at least tries. > Name: PGPfone > Version: 1.0b1 > File Date: 03/21/96 > Size: 245 Kb > Download Time: Approx. 4 minutes with 14.4 modem > Developed By: Philip Zimmerman > Registration: Freeware > File Location: > http://web.mit.edu/network/pgpfone/pgpfone-form.html > Windows95.com: Category -- Communications & Chat Clients > Description: > > PGPfone (Pretty Good Privacy Phone) is a software package that turns > your desktop or notebook computer into a secure telephone. It uses > speech compression and strong cryptographic protocols to give you the > ability to have a real-time secure telephone conversation. PGPfone takes > your voice from a microphone, then continuously digitizes, compresses > and encrypts it, and sends it out through a modem to the person at the > other end who is also running PGPfone. All cryptographic and speech > compression protocols are negotiated dynamically and invisibly, providing > a natural user interface similar to using a normal telephone. Public-key > protocols are used to negotiate keys without the need for secure channels. > Before you can utilize the encryption features of this program, you must > first obtain the Pretty Good Privacy (PGP) encryption module. It's > available from the MIT Distribution site, located at: > > http://web.mit.edu/network/pgp.html > > All you need to run PGPfone is a decent modem (28.8 Kbps V.34 > recommended), and a multimedia PC running Windows 95, with at least > a 66 MHz 486 CPU (Pentium recommended), sound card, microphone, and > speakers or headphones. > > Copyright (c) 1996 Lance Jones. All Rights Reserved. > Lance Jones > lance@windows95.com > In-Touch: Win95 Software Edition > http://www.windows95.com/apps/intouch/