Last night we have upgraded our CUCM version from 11.5 to 12.5. After the upgrade we notice some of the phone keep registering / unregister. As per checked in the Phone it show error :
[10:22:18pm 27/11/22] Error updating user locale[10:22:19pm 27/11/22] Error updating network local
For the phone firmware we already uploaded in both subs & pub node.
Phone Model CP-8841
Was it a upgrade or migration ?
check you inactive partition for locale installation, if there exit install the locale for version 12.5 and see if it solved your problem..
How frequent the phones unregister ?
Hi, Thank You for your reply. Right now all the IP Phone working well. We uploaded all the Firmware package into both Publisher & Subscriber node then the IP Phone can get valid Firmware after we upgrade the CUCM 12.5.
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