bote@uunet.uu.net (John Boteler) (08/16/89)
In issue 282 of TELECOM Digest, an unidentified author wrote: >This may be old news to some of you, but AT&T has a "calling card tutorial" >line installed. You can reach it at 1-800-255-3439. You don't really need a >valid AT&T card...any 14 digits will work. I called it. Great demo...it doesn't even say "Thank you for using AT&T!" after dialing the calling card number.