diff --git a/conf/sip_profiles/external.xml b/conf/sip_profiles/external.xml
index f3db063495..5be2c066e0 100644
--- a/conf/sip_profiles/external.xml
+++ b/conf/sip_profiles/external.xml
@@ -49,7 +49,6 @@
     <param name="inbound-codec-negotiation" value="generous"/>
     <param name="nonce-ttl" value="60"/>
     <param name="auth-calls" value="false"/>
-    <param name="rtp-timeout-sec" value="1800"/>
     <!--
 	DO NOT USE HOSTNAMES, ONLY IP ADDRESSES IN THESE SETTINGS!
     -->