Setup NTP on in the Cisco Call Manager (CUCM), so the CUCM and phones always have the correct time!
The phones are connected / linked to a device pool in de Callmanager CUCM > System > Date/Time group [ CMlocal ] The time/date format on the phone is set in this field CUCM > System > Device Pool (one time setup)
Setup the time of the CUCM (+ phones) CUCM -> "Navigation" => Cisco Unified OS Administration Settings > fill in "Time" + "NTP Servers"
Time This is the local time CUCM + phone will use BUT use NTP instead! NTP Server : fill in one, or better 2 ip addresses of local NTP servers Try your internal Microsoft domain controllers or internet NTP servers. for example the ntp server of you provider and an extra backup (but it is possile you have to change firewall settings)
Note, what I found in the documentation CUCM only works with a Stratum > 10 and NTP Version 4
The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...
This document describe how DST changes and how time changes are
implemented in DST. Daylight Saving Time (DST) is the practice of
setting the clocks forward 1 hour from standard time during the summer
months, and back again in the fall, in order to make b...