With h323 you need an IOS version (minimum) of 12.4.6T on the routers to run SRTP.
dial-peer voice 10 voip
To encrypt signalling, you have to create IPSEC tunnels to Callmanager (pub and sub). You have to use the IPSEC policy wizard in Callmanager to create the tunnels. (You can access this using secpol.msc). You need to create two instances of the same crypto map on the router (one to pub and one to sub).
I am not sure if encryption for SIP is there yet. Probably coming soon! (I could be wrong)
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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 ...