add docs

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8061 d0543943-73ff-0310-b7d9-9358b9ac24b2

conf/sip_profiles/default.xml

@@ -12,6 +12,8 @@
   <domains>
     <!-- indicator to parse the directory for domains with parse="true" to get gateways-->
     <!--<domain name="$${domain}" parse="true"/>-->
+    <!-- indicator to parse the directory for domains with parse="true" to get gateways and alias every domain to this profile -->
+    <!--<domain name="all" alias="true" parse="true"/>-->
   </domains>
   
   <settings>