If you have a "BRICKED" phone or "TFTP Timeout" or "Protocol Application Invalid"
Scenario:Cisco router or Cisco switch unavailable. Call Manager not available.
TO REBOOT PHONE: "*" and "6" and "Settings"
TO RESET TO FACTORY DEFAULT:Unplug the power...
I had the same problem. It's not an easy fix as you will need an isolated network. I wrote the following with a windows machine available. Adjust for MAC OS or Linux.
If you have a "BRICKED" phone or "TFTP Timeout" or "Protocol Application Invali...
