How to chanspy specific extension in Freepbx ?

Freepbx has Chanspy feature by which you can dial feature code 555 from phone extension and randomly barge any user who is on a call. This doesn’t have any privilege and any one can do it.
So for listening to the conversation of the specific user so that we can dial a particular feature code which is authenticated and then select the particular extension whose call you want listen.


Follow the below steps


First disable the feature code chanspy 555 option in Freepbx. Look under Basic – Feature codes and set the feature status for Chanspy to disabled.


Next go to /etc/asterisk/extensions_custom.conf and add the following code in it:

### HEADING ####
exten => 5555,1,Macro(user-callerid)
exten => 5555,2,Authenticate(1234)
exten => 5555,3,Read(SPYNUM,agent-newlocation)
exten => 5555,4,ChanSpy(SIP/${SPYNUM))