AudioCodes 420HD - Verifying that the Phone Is Downloading the Image File; Verifying Using Wireshark

Administrator's Manual C. Recovering AudioCodes' IP Phone
Version 2.2.8 309 400HD Series IP Phones
C.4 Verifying that the Phone is Downloading the Image
File
This section shows how to verify that the phone is downloading the firmware image file.
 To verify that the phone is downloading the image file:

use Wireshark -or-

use tftpd64 -or-

use the phone LCD
C.4.1 Verifying Using Wireshark
1. In Wireshark, verify that the four DHCP ‘DORA’ (Discover; Offer; Request; ACK) steps
are accomplished, as shown in the figure below.
Figure C-5: Verifying with Wireshark that the Phone is Downloading Phone .img File