Found in the Questions log of the University Computer Center:
Problem:
Can't get [Macintosh network] servers or Telnet to work properly.Doesn't have any Appletalk zones, and LocalTalk shows no options. The whole lab seems to be having this problem.
Resolution:
Someone plugged their answering machine into the AppleTalk jack.
Taken from: rec.humor.funny (posted by Tim
Lesher).
Author: Uncertain