not support utf-8 “Arabian character” – name in replay ticket

This is how the name is displayed in ticket : ??????? ?????? ???????

plugins/js-support-ticket/modules/ticket/tpls/ticketdetail.php line : 1443

$reply->name

<?php
if (jssupportticket::$_config['anonymous_name_on_ticket_reply'] == 1) {
                                                            if($reply->staffid){ //reply by staff, need anonymous
                                                                echo esc_html(jssupportticket::$_config['title']);
                                                            }else{ // reply by user   
                                                                echo esc_html($reply->name); 

}elseif(jssupportticket::$_config['anonymous_name_on_ticket_reply'] == 2){
echo esc_html($reply->name); }
?>