Hello Stephen,
Great that Brad managed to get in touch with you.
I already updated the below with the ZTP fact:
Nov 24, 2014 Question:How can the Phone automatically check / poll for configuration changes or new software versions?
Resolution: Please check => here <=
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