asterisk users - Mar 2012 - FW: Distinctive Ring on parked call timeout

I'm using Asterisk 1.8.10.1 SIP on Linux 

-----Original Message-----
From: motty.cruz [mailto:motty.cruz at gmail.com] 
Sent: Monday, March 19, 2012 3:43 PM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: Distinctive Ring on parked call timeout

Hi, 

Is there a way to have a distinctive ring for the polycom phones when the
timeout is reached on a parked call? I have google this questions to no
success! 

Thanks in advance!