1. <extension name="local_call2">
2.         <condition field="destination_number" expression="^(9.*)$">
3.           <action application="set" data="rand_val=${expr(randomize(&x);ceil(random(0,10,&x)))}"/>
4.           <action application="log" data="ERR Random Value: <${rand_val}>"/>
5.  
6.           <condition field="${cond(${rand_val} > 4 ? YES : NO)}" expression="^YES$">
7.                 <action application="set" data="continue_on_fail=true"/>
8.                 <action application="ring_ready"/>
9.                 <action application="sleep" data="3000"/>
10.                 <action application="hangup" data="USER_BUSY"/>
11.  
12.                 <anti-action application="set" data="continue_on_fail=true"/>
13.                 <anti-action application="ring_ready"/>
14.                 <anti-action application="sleep" data="3000"/>
15.                 <anti-action application="sched_hangup" data="+10 allotted_timeout"/>
16.                 <anti-action application="answer"/>
17.                 <acti-action application="callcenter" data="support@default"/>
18.                 <anti-action application="hangup"/>
19.             </condition>
20.         </condition>
21. </extension>