diff --git a/freeswitch.xml b/freeswitch.xml
index 7a7639a..3cd68ef 100644
--- a/freeswitch.xml
+++ b/freeswitch.xml
@@ -34,7 +34,8 @@
     <X-PRE-PROCESS cmd="set" data="ignore_display_updates=true"/>
     <X-PRE-PROCESS cmd="set" data="recordings_dir=/tmp/"/>
 
-    <X-PRE-PROCESS cmd="set" data="codecs=G7221@32000h,G7221@16000h,G722,PCMU,PCMA,GSM"/>
+    <!--<X-PRE-PROCESS cmd="set" data="codecs=G7221@32000h,G7221@16000h,G722,PCMU,PCMA,GSM"/>-->
+    <X-PRE-PROCESS cmd="set" data="codecs=PCMU,PCMA,GSM"/>
 
     <section name="configuration" description="Various Configuration">
         <X-PRE-PROCESS cmd="include" data="autoload_configs/*.xml"/>
diff --git a/sip_profiles/sipinterface_1.xml b/sip_profiles/sipinterface_1.xml
index 69f9870..b2cc9eb 100644
--- a/sip_profiles/sipinterface_1.xml
+++ b/sip_profiles/sipinterface_1.xml
@@ -97,7 +97,7 @@
             <param name="dtmf-duration" value="2000"/>
             <param name="rfc2833-pt" value="101"/>
             <param name="dtmf-type" value="rfc2833"/>
-            <param name="pass-rfc2833" value="true"/>
+            <param name="pass-rfc2833" value="false"/>
 
 
             <!-- Codecs -->