View file Live Chat 3/5.0_complete/operator/template/js_settings.php

<script type="text/javascript">
$(document).ready(function(){
    $(".play-tone").change(function() {
        var playtone = $(this).val();
        var sound = new Howl({
          src: ['../'+playtone+'.mp3', '../'+playtone+'.ogg', '../'+playtone+'.wav']
        });
        
        // Finally play the sound, also on mobiles
        sound.play();
    });     
});  

ls.main_url = "<?php echo BASE_URL_ADMIN;?>";
ls.orig_main_url = "<?php echo BASE_URL_ORIG;?>";
ls.main_lang = "<?php echo JAK_LANG;?>";
</script>