I have CUCM 6.1 and IP Phones 7940 and 7960 and 7962, I was using NTP Server (which was not working well) so, I decided to remove it and Adjust the time from the CallManager manually, after I did, all phones were showing the correct time and date (exactly sychronized with the call manager date/time that I set manually), but after short time, all phones are showing the call manager time plus 8 hours (for example: If call manager time is 11:00 a.m., phones shows 7:00 p.m.) although the time in the call manager (in Cisco Unified OS Administration - System/Time) is correct
I to have experienced this issue, with a slight difference.
NTP Server is working properly, Call Manager is showing correct time.
Most of our phones are showing the correct time. The phones we recently deployed (within the last month) are showing 6 hours ahead (Phones are showing GMT, not the actual local time, which is CST for me).
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...