seems this is required for some phones

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@7357 d0543943-73ff-0310-b7d9-9358b9ac24b2

conf/dialplan/default.xml

@@ -122,7 +122,7 @@
       <condition field="${sip_to_params}" expression="intercom\=true"/>
       <condition field="destination_number" expression="^8(10[01][0-9])$">
 	<action application="set" data="dialed_ext=$1"/>
-	<action application="export" data="sip_h_Call-Info=answer-after=0"/>
+	<action application="export" data="sip_h_Call-Info=<sip:$${domain}>;answer-after=0"/>
 	<action application="export" data="sip_auto_answer=true"/>
 	<action application="bridge" data="user/${dialed_ext}@$${domain}"/>
       </condition>
@@ -272,6 +272,12 @@
 
     <X-PRE-PROCESS cmd="include" data="extensions/*.xml"/>
 
+    <extension name="overlap_dial">
+      <condition field="destination_number" expression="^(.*)$">
+	<action application="respond" data="484 asterisk sucks"/>
+      </condition>
+    </extension>
+
     <extension name="enum">
       <condition field="destination_number" expression="^(.*)$">
 	<action application="transfer" data="$1 enum"/>