I have a user that we put their phone on DND while they were out 2 days last week by pressing the DND button on the phone. Since their return, DND turns off and things appear fine, then it randomly turns itself back on DND mode. Any ideas on what causes this and how to fix?
We are using CUCM 188.8.131.5200-x and CUP 184.108.40.20600-5 / CUPC 8.0.3.
For a user (there is currently only one user reporting this issue), his phone turns DND on all the time by itself. When we change the DND status to on or off, the CUPC gets well synchronized. So we disable it and wait for the next strange change.
After some minutes or hours, the status of the phone and CUPC finally turns on back by itself. The CUPC status is DND as well. We are sure that the user did not turned it to on manually.
We suppose it is a problem with CUP but why is it not impacting all the users?
The solution was to reboot the entire phone system. We run a primary and secondary call manager, turn DND off for that user and shutdown both (all) phone servers. Reboot your primary phone server first then your secondary. Of course make sure this is done off hours as this will take down your entire phone system for the duration of the reboot. It is key to make sure you reboot the primary first.
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