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How does CUCM distinguish Generic Video Endpoints?

Question asked by asilveira on Jul 2, 2014
Latest reply on Jul 8, 2014 by dakeller

Hi everyone,

 

I'm trying to register a Polycom video endpoint on CUCM v 8.6.

 

I had success using Third-Party SIP Device (Advanced) phone type, but this way there is no video calls, but only audio calls.

 

Then I tried the Generic Desktop Video Endpoint phone type, but CUCM rejects registration with the message 485 Ambiguous. The reason was in the SIP message:

 

Warning: 399 CUCM-LAB "Device type mismatch"

 

My question is: how does CUCM recognise/distinguish a Generic Desktop Video Endpoint? Which type/models/vendors of Generic Video Endpoints are supported on CUCM?

 

Thanks in advance.

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