If you cannot find the answer you need in the documentation, check the web site at http://www.cisco.com/cisco/web/support/index.html where you will be able to:
Make sure that you are running the most up-to-date software.
Get help from the Cisco Technical Support team.
Make sure you have the following information ready before raising a case:
Identifying information for your product, such as model number, firmware version, and software version (where applicable).
Your contact email address or telephone number.
A full description of the problem.
To view a list of Cisco TelePresence products that are no longer being sold and might not be supported, visit: http://www.cisco.com/en/US/products/prod_end_of_life.html and scroll down to the TelePresence section.