diff --git a/conf/freeswitch.xml b/conf/freeswitch.xml
index 2e0027a291..faadc5fd8f 100644
--- a/conf/freeswitch.xml
+++ b/conf/freeswitch.xml
@@ -28,6 +28,7 @@
        containing the "subscriptions" table.
        used by: dingaling.conf.xml enum.conf.xml 
   --> 
+  <!--#set "global_codec_prefs=PCMU@20i"-->
   <!--#set "xmpp_client_profile=xmppc"-->
   <!--#set "xmpp_server_profile=xmpps"-->
   <!-- bind_server_ip
diff --git a/conf/sofia.conf.xml b/conf/sofia.conf.xml
index 13bd817ea3..2db5511918 100644
--- a/conf/sofia.conf.xml
+++ b/conf/sofia.conf.xml
@@ -36,9 +36,9 @@
 	<param name="debug" value="1"/>
 	<param name="rfc2833-pt" value="101"/>
 	<param name="sip-port" value="5060"/>
-	<param name="dialplan" value="enum,XML"/>
+	<param name="dialplan" value="XML"/>
 	<param name="dtmf-duration" value="100"/>
-	<param name="codec-prefs" value="PCMU@20i"/>
+	<param name="codec-prefs" value="$${global_codec_prefs}"/>
 	<param name="codec-ms" value="20"/>
 	<param name="use-rtp-timer" value="true"/>
 	<param name="rtp-timer-name" value="soft"/>