I'm working for a customer with CUCM 8.6, and the device pack doesn't include firmware for 7821.
The upgrade tool doesn't work too (both SFTP and DVD), most probably a bug on the CUCM.
So is it possible to configure it as a 3rd-party SIP device ?
I'm trying to configure it but I get "Error Mismatch". Any possible workarounds?
8.6 is very old version. Bring your cucm to latest version that’s what I recommend for you.
No I don’t think that it’s possible to do that.
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