diff --git a/conf/sip_profiles/external.xml b/conf/sip_profiles/external.xml
index 3521f6b17a..d16813960f 100644
--- a/conf/sip_profiles/external.xml
+++ b/conf/sip_profiles/external.xml
@@ -39,6 +39,8 @@
     <!--<param name="dbname" value="share_presence"/>-->
     <!--<param name="presence-hosts" value="$${domain}"/>-->
     <!--<param name="force-register-domain" value="$${domain}"/>-->
+    <!--all inbound reg will stored in the db using this domain -->
+    <!--<param name="force-register-db-domain" value="$${domain}"/>-->
     <!-- ************************************************* -->
 
     <!--<param name="aggressive-nat-detection" value="true"/>-->
diff --git a/conf/sip_profiles/internal-ipv6.xml b/conf/sip_profiles/internal-ipv6.xml
index 155ad68ba5..856ac4905d 100644
--- a/conf/sip_profiles/internal-ipv6.xml
+++ b/conf/sip_profiles/internal-ipv6.xml
@@ -102,7 +102,9 @@
     <!-- <param name="vad" value="both"/> -->
     <!--<param name="alias" value="sip:10.0.1.251:5555"/>-->
     <!--all inbound reg will look in this domain for the users -->
-    <!--<param name="force-register-domain" value="cluecon.com"/>-->
+    <!--<param name="force-register-domain" value="$${domain}"/>-->
+    <!--all inbound reg will stored in the db using this domain -->
+    <!--<param name="force-register-db-domain" value="$${domain}"/>-->
     <!-- disable register and transfer which may be undesirable in a public switch -->
     <!--<param name="disable-transfer" value="true"/>-->
     <!--<param name="disable-register" value="true"/>-->
diff --git a/conf/sip_profiles/internal.xml b/conf/sip_profiles/internal.xml
index 7d64b6ddc7..268ffe3e7b 100644
--- a/conf/sip_profiles/internal.xml
+++ b/conf/sip_profiles/internal.xml
@@ -145,7 +145,9 @@
     <!-- <param name="vad" value="both"/> -->
     <!--<param name="alias" value="sip:10.0.1.251:5555"/>-->
     <!--all inbound reg will look in this domain for the users -->
-    <!--<param name="force-register-domain" value="cluecon.com"/>-->
+    <!--<param name="force-register-domain" value="$${domain}"/>-->
+    <!--all inbound reg will stored in the db using this domain -->
+    <!--<param name="force-register-db-domain" value="$${domain}"/>-->
     <!-- disable register and transfer which may be undesirable in a public switch -->
     <!--<param name="disable-transfer" value="true"/>-->
     <!--<param name="disable-register" value="true"/>-->