<div dir="ltr"><div>Hi All,</div><div><br></div><div>I am using mod_fifo for park/unpark like application using diaplan below, everything works great, I am able to park/unpark calls, transfer back to the extension that parked the call on timeout and remove FS from signaling path after transfer using uuid_simplify.</div><div>What I wasn&#39;t able to accomplish is to remove FS from signaling path after unparking the call, tried both uuid_simplify and setting sip_auto_simplify variable without luck. Any idea if this is possible?</div><div><br></div><div>Thanks,</div><div>George</div><div><br></div><div>  &lt;extension name=&quot;ParkOrbitFull&quot;&gt;</div><div>    &lt;condition field=&quot;destination_number&quot; expression=&quot;^5555$&quot;&gt;</div><div>      &lt;action application=&quot;set&quot; data=&quot;fifo_music=${hold_music&quot;/&gt;</div><div>      &lt;action application=&quot;set&quot; data=&quot;fifo_orbit_exten=transferBack${sip_referred_by_user}:30&quot;/&gt;</div><div>      &lt;action application=&quot;set&quot; data=&quot;fifo_orbit_dialplan=XML&quot;/&gt;</div><div>      &lt;action application=&quot;set&quot; data=&quot;fifo_caller_exit_key=5&quot;/&gt;</div><div>      &lt;action application=&quot;set&quot; data=&quot;fifo_caller_exit_to_orbit=true&quot;/&gt;</div><div>      &lt;action application=&quot;fifo&quot; data=&quot;QPark5555 in&quot;/&gt;</div><div>      &lt;action application=&quot;hangup&quot;/&gt;</div><div>    &lt;/condition&gt;</div><div>  &lt;/extension&gt;</div><div>  &lt;extension name=&quot;UnParkFull&quot;&gt;</div><div>    &lt;condition field=&quot;destination_number&quot; expression=&quot;^\*45555$&quot;&gt;</div><div>      &lt;action application=&quot;fifo&quot; data=&quot;QPark5555 out nowait&quot;/&gt;</div><div>    &lt;/condition&gt;</div><div>  &lt;/extension&gt;</div><div>  &lt;extension name=&quot;transferBack&quot;&gt;</div><div>    &lt;condition field=&quot;destination_number&quot; expression=&quot;^transferBack(\d+)$&quot;&gt;</div><div>      &lt;action application=&quot;set&quot; data=&quot;ringback=${us-ring}&quot;/&gt;</div><div>      &lt;action application=&quot;bridge&quot; data=&quot;{api_on_answer=&#39;uuid_simplify ${uuid}&#39;}sofia/$${domain}/$1@$${domain}&quot;/&gt;</div><div>    &lt;/condition&gt;</div><div>  &lt;/extension&gt;</div></div>