asterisk users - May 2004 - How do I catch someone pressing the * key?

I would like to be able to detect when someone dials *.  What I'd like to be
able to do is
 
exten => *,1,Answer
 
and catch it when the caller pressed the * key. 
 
Thanks!
 

Paul Mahler 
pmahler@signate.com <mailto:pmahler@signate.com>
<http://www.signate.com/> 
Signate, LLC
PO Box 60430
Palo Alto, CA
 94306

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