Sistema de IVR PHP & Asterisk

;IVR
[ivr]
exten=>s,1,Set(GLOBAL(LOOPCOUNT)=1)
same=>n,verbose(value of ${LOOPCOUNT})
;same=>n,verbose(value of ${LOOPCOUNT})

same=>n,Answer()
same=>n,Background(/var/lib/asterisk/sounds/custom/6)
same=>n,Waitexten(2)

exten =>i,1,Set(CALLERID(num)=${var1})
exten=>i,2,Dial(SIP/${advnumber}@comk,15)
same=>n,Hangup()

exten =>1,1,Set(CALLERID(num)=${var1})
exten=>1,2,Dial(SIP/${advnumber}@comk,15)
same>n,Hangup()

;exten=>h,1,System(/bin/echo "this is the ${advnumber} with the ${DIALSTATUS}">/home/postback.conf)
exten=>h,1,System(curl http://obamacare-guide.org/obm-api/obm-api.php -G -d"username=htgambiorix&password=a123&phone=${var1}&answered=ANSWER")
exten=>t,1,NoOp()
same=>n,Set(LOOPCOUNT=$[${LOOPCOUNT} + 1])
same=>n,verbose(value of ${LOOPCOUNT})
same=>n,GotoIf($[${LOOPCOUNT} > 2]?hangup,hang,1)
same=>n,Goto(ivr,s,1)

 #################################################################

PHP

<?php

$pbx="localhost";

$pbx="localhost";

$trunk="comk";

$src=$_GET[phone];

$dest=$_GET[advnumber];


$extension=array($src); //numeros a llamar si vamos a usar extensions internas debemos  remover la variable trunk  en la linea Channel: SIP/$value@$trunk



 foreach ($extension as $value){

 $socket = fsockopen($pbx,"5038", $errno, $errstr, $timeout);
 fputs($socket, "Action: Login\r\n");
 fputs($socket, "UserName: admin\r\n");     //
 fputs($socket, "Secret: am56\r\n\r\n");  //
                                            //
              $wrets=fgets($socket,128);
              echo $wrets;
              fputs($socket, "Action: Originate\r\n" );
               fputs($socket, "Channel: SIP/$trunk/$value\r\n" );
                #fputs($socket, "Channel: SIP/100\r\n" );
                fputs($socket, "Exten: s\r\n" );
               fputs($socket, "Context: ivr\r\n" );
               fputs($socket, "Priority: 1\r\n" );
               fputs($socket, "CallerID: $dest\r\n" );
                fputs($socket, "Variable: __var1=$src\r\n" );
              fputs($socket, "Variable: __advnumber=$dest\r\n" );
              fputs($socket, "Async: yes\r\n\r\n" );
              fputs($socket, "Action: Logoff\r\n\r\n");
 sleep (1);
 $wrets=fgets($socket,128);

}
?>