add sip_exclude_contact example

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7895 d0543943-73ff-0310-b7d9-9358b9ac24b2

conf/dialplan/default.xml

@@ -141,6 +141,7 @@
 	<anti-action application="bind_meta_app" data="3 a a execute_extension::cf XML features"/>
 	<anti-action application="set" data="transfer_ringback=${us-ring}"/>
 	<anti-action application="set" data="call_timeout=30"/>
+	<anti-action application="set" data="sip_exclude_contact=${network_addr}"/>
 	<anti-action application="set" data="hangup_after_bridge=true"/>
 	<anti-action application="set" data="continue_on_fail=NORMAL_TEMPORARY_FAILURE,BUSY,USER_BUSY,NO_ANSWER,TIMEOUT,NO_ROUTE_DESTINATION,CALL_REJECTED"/>
 	<anti-action application="db" data="insert/call_return/${dialed_ext}/${caller_id_number}"/>