hi, i have several 6921 ip phones, and they work fine with a CUCMBE 7.1.2, but when i check the CME like SRST, they cannot register properly, the version of the CME is 7.1, is there any way to put them to work with CME 7.1 like SRST. i dont have any changes to change the IOS of the router to upgrade it to CME 8.X
Before upgrading you have to consider the IOS hardware requirements i.e. DRam/Flash.
You have to upgrade the IOS on router by putting the IOS file on the router flash by using copy tftp: flash: command and then configure the router to boot with it by "boot system flash: command from global config.
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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
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 ...