Hi there, I've got a Cisco IP PHONE 7911g, I haven't used it for a while. I wanted to use it again (for my lab), I decided connected it by using the Power Adapter. Just when I connected to the All the lights come up, But nothing on the screen. It Just restarts itself every 3 minutes.
The hightlighted box is the IP phones IP Address, the strange this is that I can ping it, but when I put the address in a browser, I get a connection timed out message
Someone please explain what is wrong with it? I've also tried the 3491672850# while pressing the # button, Nothing happens.
We had a problem with 7902 phones doing the same thing. They phone had a very old version of firmware and CUCM 8 would not upgrade it.
We installed an ancient version of call manager (3 or 4) which allowed the phone to upgrade its firmware - then when it was plugged into CUCM 8, it was able to upgrade and started to work.
This also happens with 7960 phones or ATAs that have versions of firmware too old for CUCM 8 to upgrade. I am guessing that you need to get the intermediate firmware into the phone before it will talk with CUCM 8 and load the latest firmware.
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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 ...