<script src="http://tier2chat.com/js/widgetupdate.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">
new Tierchat.Widget('405-479-8999','405-479-8999', {
    call_background_color: '#1281c8',//#1281c8
    sms_background_color: '#808183',//#808183
    font_color: '#ffffff', // change font-color
    font_size: '18px', // change font-size
    call_text: 'Call Us', // if you no need call option so you can remove inner text "Eg:call_text: '',"
    sms_text: 'Text Us', // if you no need call option so you can remove inner text "Eg:sms_text: '',"
    display_widget: 'right' // 'bottom','right'
});
</script>