Time change

[jacksonpj51]

Some of my agency's phones are moving forward by one hour suddenly .

[tgaur]

hi,

is this happening after the DST change. try rebooting one phone and see if this make the difference.

regards.

[VoIP Engineer]

Verify the device pool settings on the phone, and the time settings for the device pool.

[Cyril Albert]

Hi,

Maybe you are hitting this defect
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvo26979/?rfs=iqvred

I had the same issue.

Some phone models are concerned (3900, 8900) and some not (8800) when ever you are running CUCM 10 or 11.

HTH

Cyril