KAZOO-3343: when running sub_db_mode 3 include a waitn parameter to negate the BLF delay

kamailio/presence-role.cfg

@@ -18,6 +18,8 @@ modparam("presence", "min_expires_action", 2)
 modparam("presence", "min_expires", 300)
 modparam("presence", "max_expires", 3600)
 modparam("presence", "sip_uri_match", 1)
+modparam("presence", "waitn_time", 1)
+modparam("presence", "notifier_processes", 5)
 modparam("presence", "db_url", "text:///etc/kazoo/kamailio/dbtext")
 
 modparam("kazoo", "db_url", "text:///etc/kazoo/kamailio/dbtext")