Im having a problem on CCM 5.1 at the moment with phones and DST. The first generation phones have not updated the DST and are still an hour ahead, whereas the later phones have updated ok. The platform time is correct, as is the date time group (set to local time zone)
As mentioned the third generation phones have updated just fine but the first generation ones are still showing one hour ahead.
I was my understanding that the first generation phones took the time from the server direct?
The phones have been reset to no avail!
Thanks for any help that can be provided. The phones are all on the latest version of firmware.
This bug does affect "first generation" phones like the 7940/7960's
Cisco IP Phones
Choose System > Date / Time Group from CUCM Admin.
Create a new Date / Time group that is one hour behind of local time.
Choose System > Device pool.
Create a New Device pool and assign the (one hour behind Date time group) to this new device pool.
Assign the new device pool to the Cisco IP Phones that display the incorrect time.
Note: The CUCM time updates occur automatically (dates vary per timezone). Change your Time of Day Routing and Device Pools back to the original Date / Time group accordingly.
Affected customers must upgrade before November 1, 2009 to a Unified Communications Manager version that contains the permanent fix for CSCsy25150 in order to avoid potential Daylight Saving Time issues in the Fall.
These Cisco Unified Communications Manager releases contain the permanent fix for CSCsy25150 and can be downloaded with these links:
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