Call Manager Server Maintenance Work
Wednesday morning Sept. 2nd from 6:00AM to 7:00AM maintenance work will
be performed on the Call Manager Server cluster in order to replace a faulty power supply.
During this time, there will be no impact to voice services.
Change ID: CHG0033439
More information: Call Manager Server Maintenance Work
Story added 2. September 2015, content source with full text you can find at link above.