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When installing Cisco CallManager, product keys and the license keys are missing.
The Cisco CallManager product key, which you enter during the operating system installation, allows you to install Cisco CallManager on a server that is dedicated solely to that application.
Cisco supplies you with a Cisco product key when you purchase a Cisco IP telephony product. The product key comprises alphabetical letters only. It contains no numbers or special characters.
During the operating system installation, you registered the software product by entering a user and organization name.
During the Cisco CallManager installation, verify with the correct user name, organization name, and product key are same as which one you was using the OS instalation. See the latest version of the operating system documentation for more information.
For a listing of Product Keys related to IP Telephony, refer to: