Messages XML

Version 1
    This document was generated from CDN thread

    Created by: Gordon Ross on 08-10-2010 02:05:57 PM
    On CallManager 7.1.3, I switched the Services Provisioning from internal to external URL. However, I can't get the "Messages" button to auto-dial voicemail.
    All I can do, is get it to display a menu option to call voicemail.
    What XML do I need to duplicate the default functionality ?