welcome to the Polycom Community.
The community's Video FAQ contains this post here:
Jun 23,2014 Question: Am I entitled to a software upgrade?
Answer: A Software update to the same Version number but a higher revision is usually free. A upgrade to the next version number (example 2.x to 3.x) requires the codec to be in warranty or a valid service contract.
Please contact your Polycom Reseller for this.
Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.
Polycom Global Services