Hello DavidM,
welcome to the Polycom Community.
The community's VoIP FAQ contains this post here:
Jan 6, 2012 Question: How can I create a local directory or what is the 000000000000-directory.xml used for?
Resolution: Please check => here <=
Have a look at this:
http://community.polycom.com/t5/Polycom-Endpoints-Forum/SCRIPT-Automatic-000000000000-directory-xml-from-a-CSV-File/td-p/7806
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Best Regards
Steffen Baier
Polycom Global Services