public function actionCall1()
 {
     try {
         $api = new PhpSIP('202.153.128.34');
         // IP we will bind to
         $api->setMethod('MESSAGE');
         $api->setFrom('sip:peterjkambey@voiprakyat.or.id');
         $api->setUri('sip:sicc1@voiprakyat.or.id');
         $api->setBody('Hi, ....');
         $res = $api->send();
         echo "res1: {$res}\n";
     } catch (Exception $e) {
         echo $e->getMessage() . "\n";
     }
 }