asterisk users - Sep 2003 - Adding a DELAY to an ADSI script

I was searching through the app_adsi.c file and found
some events and functions that are not used in the
sample ADSI scripts.
One of these functions is DELAY.  I can't get this to
work.  Has anybody got this to work?

I'm trying to create a HangUp soft key using the
following code:

KEY "Hangup" IS "Hang Up"
     ONHOOK
     DELAY
     OFFHOOK
ENDKEY

The delay has no effect.  Am I supposed to add
arguments?

Thank you for your time.

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