diff --git a/conf/sip_profiles/default.xml b/conf/sip_profiles/default.xml
index 7ed9287f1f..79e23444ae 100644
--- a/conf/sip_profiles/default.xml
+++ b/conf/sip_profiles/default.xml
@@ -61,7 +61,7 @@
     <!--Uncomment if you want to force the outbound leg of a bridge to only offer the codec 
 	that the originator is using-->
     <!--<param name="disable-transcoding" value="true"/>-->
-    <param name="auth-calls" value="false"/>
+    <param name="auth-calls" value="true"/>
     <!-- on authed calls, authenticate *all* the packets not just invite -->
     <!-- <param name="auth-all-packets" value="true"/> -->