If you like to had a shout box that you been handle in your own server and installed service script in your website (PHP in this case), we got a solution that you can try. This PHP Chat Script called as ChatPad. By installing the Chat Pad, you get an interactive communication between your visitor and you as an Administrator of the web / blog. Of course because it installed in your own server, you can take all the control of the Chat Data and File.
ChatPat is easy to use and install Ajax based inline chat (“shoutbox”) that is compatible with any website and technology. It works with PHP and MySQL and as long as your server supports this, you can include the chat in any system, even if it is not PHP based.