I wonder if i can allow only some extensions from calling other Extensions . for example i have CEOs phones and i dont want any one except HR extensions to call the CEOs ext . how can i do that with freepbx ? the CEOs and the HRs are in the same server , same subnet , Thanks

Deny Specific Extention to call others

miribis (Miribis) June 4, 2015, 8:11pm 4

If you dont mind digging in to the guts of asterisk a little bit, this has already been answered here:

hth
Mike