Any one can advice me about the Call Manager Feature License , I am going to install new Call Manager Version 7.1 , one server without subscriber or backup server , just MCS 7825 server oen server , do i need to order " License Unified CM 7.1 7825 Appliance, 1,000 seats " , and please if yes, why.
If you are going to be using this as a production system then yes, you need to purchase an applicable license for the server and the phones (DLU-based licensing) or users (CUWL-based licensing) that you need to install on the server. The backup server can be any customer-owned device that runs an SFTP service such as CopSSH, etc. This would not require licensing anyway. The system comes with a limited demo license; however, it is not intended for production use. Consider the demo license for "lab use only".
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