We have an issue with regards to time synchronisation within our network, where our CCM/CCMEs derive the clock from a Core switch in at our central site in the UK, with a backup in Holland. Neither of these core switches is deriving its clock from another source.
I am thinking of suggesting a dedicated authenticated server (e.g Symmetricom) to be used at each location as the source, but was wondering whether there is a best practice scenario with regards to CCM/CCME network?
We have our CUCM use NTP from an external time service and our remote CMEs also use this external NTP server. Time settings for the phones locally are amended from the NTP time via Date-Time groups on CUCM registered phones and by time-zone command within telephony-service on CME.
This works well for us as all of the logs are sychronised to one time (UTC/GMT), while we can still maintain the correct local time on the phones.
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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
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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 ...