Perfect voice encryption

[nobody@soda.berkeley.edu]

> For anyone interested, i know of a company that sell (until it's illegal) a
> computer package that enables the user to communicate over normal phone lines
> with complete (and i mean it) security.  it runs on a 386 or higher with a 
> sounblaster card.  The encryption is up to triple DES encoding with user 
> programmed keys (no record kept and no back doors for Big Brother or anyone
> else to use).  It would take serious effort by the NSA and all of their 
> supercomputers to decode a single transmission (assuming they could come up
> with a 'hook', something this program is incapable of transmitting).
> 
> Inquire to:
> SVC Inc.
> P.O. Box 9512
> College Station, TX 77842

Can you provide any better references to this company than a post office
box?  A phone number, perhaps, or an email address?  Are you affiliated
with them in any way?  I can't help feeling a bit paranoid about sending
my address to an unknown company when dealing with a sensitive topic like
this.