diff --git a/conf/vars.xml b/conf/vars.xml
index 10c6160855..fc4a313bf0 100644
--- a/conf/vars.xml
+++ b/conf/vars.xml
@@ -3,13 +3,6 @@
    -->
   <X-PRE-PROCESS cmd="set" data="domain=$${local_ip_v4}"/>
   <X-PRE-PROCESS cmd="set" data="moh_uri=local_stream://moh"/>
-  <!-- sip_profile 
-       Must be a domain name if you are being a registry server; otherwise
-       can be any string.
-       used by: sofia.conf.xml enum.conf.xml default_context.xml directory.xml
-  --> 
-  <X-PRE-PROCESS cmd="set" data="sip_profile=$${domain}"/>
-  <X-PRE-PROCESS cmd="set" data="nat_sip_profile=nat_$${domain}"/>
   <!-- xmpp_client_profile and xmpp_server_profile
        xmpp_client_profile can be any string. 
        xmpp_server_profile is appended to "dingaling_" to form the database name
@@ -62,8 +55,8 @@
        H264             - H.264 Video
 
   -->
-  <X-PRE-PROCESS cmd="set" data="global_codec_prefs=G722,PCMU@20i,PCMA@20i,H263"/>
-  <X-PRE-PROCESS cmd="set" data="outbound_codec_prefs=PCMU@20i,PCMA@20i"/>
+  <X-PRE-PROCESS cmd="set" data="global_codec_prefs=G722,PCMU,PCMA,GSM,H263"/>
+  <X-PRE-PROCESS cmd="set" data="outbound_codec_prefs=PCMU,PCMA,GSM"/>
   <X-PRE-PROCESS cmd="set" data="xmpp_client_profile=xmppc"/>
   <X-PRE-PROCESS cmd="set" data="xmpp_server_profile=xmpps"/>
   <!-- bind_server_ip
@@ -97,5 +90,5 @@
        Used by: conference.conf.xml
   -->
   <X-PRE-PROCESS cmd="set" data="outbound_caller_name=FreeSWITCH"/>
-  <X-PRE-PROCESS cmd="set" data="outbound_caller_id=8777423583"/>
+  <X-PRE-PROCESS cmd="set" data="outbound_caller_id=0000000000"/>
   <X-PRE-PROCESS cmd="set" data="call_debug=false"/>