I guess I was not clear.  I run freeswitches using both multi domain hosted and on site IP PBX's.  I have cases where I need to use the shared line.  When a party is on a shared line call, if another party presses the illuminated shared line button, they join the conversation,   I would like to block that.  I have installed or managed the installation of over 1,000 electronic key systems and non of these allow this as you suggested.  I know it is an option with polycom phones to block barge in on shared lines, but we use only snom and grandstream, I was curious if there was a way to block them from joining the call on the freeswitch side.
 
Darcy
----- Original Message -----
From: Brian West
To: FreeSWITCH Users Help
Sent: Monday, May 19, 2014 9:28 AM
Subject: Re: [Freeswitch-users] Barge in on Shared Line

I’ve never heard of anything like this invite only to join a call in progress on any Keys system I’ve ever encountered.
--
Brian West


Twitter: @FreeSWITCH , @briankwest
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On May 17, 2014, at 8:09 PM, Darcy Primrose <fs@voice2net.ca> wrote:

I would like to disable bargein and give a true key system type of operation where by the third party can only join by invitation.

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