diff --git a/conf/sip_profiles/internal.xml b/conf/sip_profiles/internal.xml
index 45752926f4..367badaac4 100644
--- a/conf/sip_profiles/internal.xml
+++ b/conf/sip_profiles/internal.xml
@@ -76,7 +76,8 @@
     <!--<param name="max-proceeding" value="1000"/>-->
     <!--session timers for all call to expire after the specified seconds -->
     <!--<param name="session-timeout" value="120"/>-->
-    <!--<param name="multiple-registrations" value="true"/>-->
+    <!-- Can be 'true' or 'contact' -->
+    <!--<param name="multiple-registrations" value="contact"/>-->
     <!--set to 'greedy' if you want your codec list to take precedence -->
     <param name="inbound-codec-negotiation" value="generous"/>
     <!-- if you want to send any special bind params of your own -->