filter <header-name> <header-value>
filter <header-name> /<regexp>/
filter delete <header-name>
filter delete all

once even one filter is enabled you must pass a filter condition to get any events.
which events are still limited by the events <event list> as always.



git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10198 d0543943-73ff-0310-b7d9-9358b9ac24b2