I have a 2851 currently running "flash:c2800nm-spservicesk9-mz.151-4.M5.bin"
I's also running the following.
sh telephony-service all CONFIG (Version=8.6) ===================== Version 8.6
I need to upgrade the IOS to c2800nm-advsecurityk9-mz.151-4.M8.bin. Can I just do this without it affecting all my CME settings. This router runs the site telephony so don't want the config to disappear once the IOS is upgraded.
Did you check on Cisco feature navigator that advsecurityk9-mz.151-4.M8.bin supports CME ?
I don't think so because this IOS is meant for advance security not for voice. Look for Advance Enterprise , Advance ip service , SP voice , SP voice and IP voice based IOS which matches your router resource limit. Dont upgrade to any IOS which do not support basic voice function.
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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 ...