Hello,
++ Clients are using version 8.1(3)-3.12.17
++ Clients facing an issue where there is no Messages but VM light is being shown.
++ IMAP service was restarted on the affected cluster.
++ Clients also not able to see the phone // call logs in CUIMOC.
Need to confirm the details we can check in the Problem Report and the specific steps .
Regards.
sabhishe