Kindly the upgrade is recommended to be done in a downtime in order to not affect the users
Your configuration will be as it after the upgrade complete, so your users will be able to login again to their device profiles
Only remember to be aware that your customer background images, custom TFTP files, custom MoH files, and customer ring tones do not get migrated during the upgrade process. You must reinstall these files after the upgrade completes
Please find this good link for more information about this upgrade:
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...