When I plug in a 7941, it gets the inline power from the switch, lights all LEDs and performs the following cycle:
Breifly lights the Mute button, and then lights the Speaker button. After about 10 seconds, the Speaker light goes off, line 1 button blinks amber once, line 2 button blinks green once and the Headset button gets lit. Then line 1 button blinks green once and line 2 button blinks green once. The Headset button stays lit. After about 19/20 blinks of the green line buttons, The Headset light goes off and the cycle starts again from the breif lighting of the Mute button.
This cycle takes about 2 minutes. There is never any information displayed on the LCD screen, and therefore will not register. Is this recoverable?
In addition to Rob's post, make sure the CallManager has the correct phone model selected, i.e. the behavior you are seeing will be similar if a 7960 model was chosen for the MAC by mistake. Speaking from experience ;-)
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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 ...