AudioCodes 420HD - Verifying Using the Phone LCD

Administrator's Manual C. Recovering AudioCodes' IP Phone
Version 2.2.8 311 400HD Series IP Phones
Figure C-8: Verifying .img File Download using tftpd64
C.4.3 Verifying Using the Phone LCD
In tftpd64, view the indications shown in the figures below.
Figure C-9: Verifying .img File Download from the Phone LCD
Important: Do not unplug / power-off the phone while the LCD displays the message
shown below.
You can disconnect the phone from the PC and connect to the network LAN only after the
firmware upgrade finishes, that is, after the phone's LCD displays the following:
Discovering CDP…Discovering LLDP…Acquiring IP…
The phone is now up, functioning, and ready to be provisioned.