diff --git a/conf/sip_profiles/external.xml b/conf/sip_profiles/external.xml
index 0a0e7a00c1..4278e9d663 100644
--- a/conf/sip_profiles/external.xml
+++ b/conf/sip_profiles/external.xml
@@ -26,7 +26,20 @@
     <param name="hold-music" value="$${hold_music}"/>
     <param name="use-rtp-timer" value="true"/>
     <param name="rtp-timer-name" value="soft"/>
+    <!-- This could be set to "passive" -->
     <param name="manage-presence" value="false"/>
+
+    <!-- used to share presence info across sofia profiles 
+	 manage-presence needs to be set to passive on this profile
+	 if you want it to behave as if it were the internal profile 
+	 for presence.
+    -->
+    <!-- Name of the db to use for this profile -->
+    <!--<param name="dbname" value="share_presence"/>-->
+    <!--<param name="presence-hosts" value="$${domain}"/>-->
+    <!--<param name="force-register-domain" value="$${domain}"/>-->
+    <!-- ************************************************* -->
+
     <!--<param name="aggressive-nat-detection" value="true"/>-->
     <param name="inbound-codec-negotiation" value="generous"/>
     <param name="nonce-ttl" value="60"/>
diff --git a/conf/sip_profiles/internal.xml b/conf/sip_profiles/internal.xml
index 442091a37c..5ecbfe4934 100644
--- a/conf/sip_profiles/internal.xml
+++ b/conf/sip_profiles/internal.xml
@@ -45,6 +45,13 @@
     <param name="record-template" value="$${base_dir}/recordings/${caller_id_number}.${strftime(%Y-%m-%d-%H-%M-%S)}.wav"/>
     <!--enable to use presence and mwi -->
     <param name="manage-presence" value="true"/>
+
+    <!-- used to share presence info across sofia profiles -->
+    <!-- Name of the db to use for this profile -->
+    <!--<param name="dbname" value="share_presence"/>-->
+    <!--<param name="presence-hosts" value="$${domain}"/>-->
+    <!-- ************************************************* -->
+    
     <!-- This setting is for AAL2 bitpacking on G726 -->
     <!-- <param name="bitpacking" value="aal2"/> -->
     <!--max number of open dialogs in proceeding -->