diff --git a/resources/templates/conf/sip_profiles/external.xml.noload b/resources/templates/conf/sip_profiles/external.xml.noload
index 054fe031b1..fe7ab99931 100644
--- a/resources/templates/conf/sip_profiles/external.xml.noload
+++ b/resources/templates/conf/sip_profiles/external.xml.noload
@@ -59,7 +59,7 @@
 		<!--<param name="aggressive-nat-detection" value="true"/>-->
 		<param name="inbound-codec-negotiation" value="generous"/>
 		<param name="nonce-ttl" value="60"/>
-		<param name="auth-calls" value="false"/>
+		<param name="auth-calls" value="true"/>
 		<!--
 		DO NOT USE HOSTNAMES, ONLY IP ADDRESSES IN THESE SETTINGS!
 		-->