How can I retrieve the current volume?

Version 1
    This document was generated from CDN thread

    Created by: Andy Scherpereel on 20-08-2010 10:21:38 AM
    I'm developing in .net C# (not that this matters much)
    i checked the "Accessing IP Phone Information" part but could not find any command that could tell this. Or maybe i looked over it.
    Does anyone know this?
    Thanks for reading,