extended auto dailer call duration

I have my own auto dailer astrisk but i fase issue i set call limit 3 or 4 min duration but all calls ended with 120 sec this my agi code if u know how to solve please contact me mysqli_query($conn,"UPDATE `static` SET `number`='".$calledNumber."' , `status`='interrec' WHERE `status`='idle' AND `sim_number`='".$calledNumber."' LIMIT 1 "); $result1 = mysqli_query($conn,"SELECT * FROM `static` WHERE `tprefix`='".$testPrefix."' LIMIT 1"); $raw1 = mysqli_fetch_assoc($result1); $result2 = mysqli_query($conn,"SELECT * FROM `rules` WHERE `id`='".$raw1['rule_id']."' LIMIT 1"); $raw2 = mysqli_fetch_assoc($result2); $limit_call = rand($raw2['limit_duration_from'],$raw2['limit_duration_to']); $result_trunk = mysqli_query($conn,"SELECT `name`,`product_id` FROM `static` WHERE `tprefix`='".$testPrefix."' LIMIT 1"); $row_trunk = mysqli_fetch_assoc($result_trunk); $result_products = mysqli_query($conn,"SELECT `igprefix`,`product_id` FROM `products` WHERE `product_id`='".$row_trunk['product_id']."' LIMIT 1"); $row_products = mysqli_fetch_assoc($result_products); $agi->set_variable("trunk_id", $row_trunk['product_id']); $agi->exec('Set', "CALLERID(all)=$calledNumber"); $statusDial = $agi->exec_dial('SIP',$row_trunk['name'].'/'.$row_products['igprefix'].$calledNumber,60,'gtTS('.$limit_call.')U(answer-send-subroute^'.$row_trunk['product_id'].')');