FreeSwitch三方通话

<extension name="Demonstrate conference_set_auto_outcall">
     <condition field="destination_number" expression="^12345$">      
       <action application="answer"/>      
       <action application="set" data="conference_auto_outcall_timeout=5"/>
       <action application="set" data="conference_auto_outcall_flags=none"/>
       <action application="set" data="conference_auto_outcall_caller_id_name=$${effective_caller_id_name}"/>
       <action application="set" data="conference_auto_outcall_caller_id_number=$${effective_caller_id_number}"/>
       <action application="set" data="conference_auto_outcall_profile=default"/>      
       <action application="conference_set_auto_outcall" data="user/1006@$${domain}"/>
       <action application="conference_set_auto_outcall" data="user/1007@$${domain}"/>      
       <action application="conference" data="$1@default"/>      
     </condition>
   </extension>

放在diaplan\default.xml里面，按F6重新加载即可