I have a similar issue. I have some remote sites with gateways Cisco 2811s and Cisco 1760s with SRST enabled and running H323. If the IP Phones lost connectivity to CCM, only IP Phones 7940s and 7960s are registred in SRST gateway. The IP Phones 7912s and ATAs are not registred. The IP Phones has only one device pool for each site.
I tested with some IOS versions, but it didnt works. I verified with debug ephone keepalive, and the gateway only recieve keepalives from IP Phones 7940s and 7960s. It looks as CCM was the cause of the issue, because IP phones 7912s does not show the SRST gateway as an optional CM on network settings.
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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 ...