Here's a clue on how to react based on the caller id:
http://wiki.freeswitch.org/wiki/Dialplan_XML#Example_16:_Block_certain_codes

It's just a matter of matching on what is (or isn't) being sent and then playing your "blocked caller ID not accepted" message before hanging up.

-MC

On Tue, Nov 15, 2011 at 2:22 PM, Rodney <notlikeme75@yahoo.com> wrote:
I am using ipkall for one of my gateways and it does not pass flex ani. so they are allowed to block themselves . what can i add before or after the answer condition so it transfers the call to a toll free trap that forwards unblocked ball back to the dialplan or either transfers them to a local message that tells them to call back unblocked then hangs up.

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