Hello, I have 7912 phones which not boot. When I switch on the phone two buttons "hold" and "setting" are flashing and screen is blank.I launch tftpd32, but the phone cant obtain ip addrees, phone always DHCPdiscovered.I launch Wireshark and saw that...

I need to upgrade from an AIM-CUE 7.0.5 to a AIM2-CUE 7.1.7 , is it going to be possible to take a backup of the AIM-CUE and then restore it to the AIM2-CUE?