That error is because the microphones are not picking up any audio being sent out form the codec either through your TV or room speakers. Has anything changed in your room to prevent the codec from sending audio out to the speakers?
That error message is really misleading and is often incorrect - i've seen it on quite a few devices, and logged multiple calls with TAC about this under different circumstances, and have ended up disabling the echo cancellation on a lot of our devices:
SSH into the codec as remotesuport user (Password needs to be obtained from the TAC)
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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 ...