I am still searching.  I have not found the cofig param yet either.  The single device doing it is behind a firewall so I can get in to see the configuration there!

From: freeswitch-users-bounces@lists.freeswitch.org [mailto:freeswitch-users-bounces@lists.freeswitch.org] On Behalf Of Vik Killa
Sent: Thursday, April 04, 2013 1:38 PM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] One of my extensions Caller ID says Anonymous!

I think he resolved this in the Cisco configuration. I'm having the same problem on the Cisco, I can't figure out which configuration parameter needs to be changed though.

<snip>