Have you posted this problem on the IP Telephony forum yet or contacted TAC? This sounds like a problem for TAC, especially since you just added a server to the cluster. If you do re-post, I recommend you mention the version of CallManager you are running. I'm sure they would want a detailed CCM trace from the server from where the IP phone is defined (the one you used to place the call).
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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 ...