[65026] in Cypherpunks
Re: Anonymous phone calls (was: What is the EFF doing exactly?)
daemon@ATHENA.MIT.EDU (stewarts@ix.netcom.com)
Mon Sep 9 14:12:17 1996
From: stewarts@ix.netcom.com
Date: Mon, 09 Sep 1996 10:49:49 -0700
To: roy@scytale.com
Original-From: Bill Stewart <stewarts@ix.netcom.com>
Cc: cypherpunks@toad.com
At 01:03 PM 9/7/96 CST, roy@scytale.com wrote:
>In Minneapolis, USWest has Telecard phones everywhere, and vending
>machines with bill accepters. The calls are also flat rate at $0.25.
...
>Can Telecards be audited for usage? If a TLA black-bags my $25 Telecard
>from my wallet, can they reconstruct what calls I made with it?
Easily. They get the card number off the card, and then check their
long distance records for calls made with that card number.
With some cards, you can recharge the card instead of getting new ones,
if for some reason you want to increase the audit trail substantially.
# Thanks; Bill
# Bill Stewart, +1-415-442-2215 stewarts@ix.netcom.com
# <A HREF="http://idiom.com/~wcs">
# You can get PGP software outside the US at ftp.ox.ac.uk/pub/crypto
