Since TC 5, the procedure has slightly changed now. You will need to follow these steps to factory reset Ex90 :
1. When the unit is off (power must be plugged in), press and hold the power button
2. Wait until the power LED goes dark and then light up again (approximately 10 seconds).
3. Then release the power button and press it twice.
4. The system will boot up and display a confirmation message on the video screen if the process was successful.
Also, you can get the serial cable for the Ex90. This is a special cable and you will need to create it. Using the RJ 45 Maintenance port which is at the bottom of the Ex90, you would be able to console into it. For more details on the cable, please refer to :
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 ...
This document describe how DST changes and how time changes are
implemented in DST. Daylight Saving Time (DST) is the practice of
setting the clocks forward 1 hour from standard time during the summer
months, and back again in the fall, in order to make b...