The IP phones will get their time from the callManager server. Just as with any Microsoft PC, the CallManager server can be setup to automatically adjust the time for day light savings time. To do this, click on the clock in the system tray, Click on the time zone tab, click the Automatically adjust clock for day light savings changes.
Check that the Windows server is really running NTP, because mostly they run a different, simpler, time protocol (TNTP?)
The NTP will synchronise your router to standtard UTC. You then set your timezine as an offset from that according to your winter time.
For the clock summer time, you specify what you want the timezone code to look like, and the dates and time that the offset should go forwards an hour. You can have it change automatically every year (recurring), and you can specify something like "last Sun Arp 02/00 last Sun Oct 03:00".
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...
If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
No. You will only need the SRST licenses on the primary router. Because this feature...
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