Administrator's Manual C. Recovering AudioCodes' IP Phone
Version 2.2.8 305 400HD Series IP Phones
C Recovering AudioCodes' IP Phone
This appendix shows how to recover AudioCodes' IP phone.
To recover the phone, follow this procedure:
1. Identify that the phone is in recovery mode (see below)
2. Recover the phone (see below)
3. Verify that the phone downloaded the image file (see below)
C.1 Identifying that the Phone is in Recovery Mode
This section shows how to identify that the phone is in recovery mode.
To identify that the phone is in recovery mode:
Observe the following displayed in the phone's LCD:
Figure C-1: Identifying Recovery Mode
-OR-
Observe that the phone reboots every +-5 seconds.
C.2 Verifying that the Phone is in Recovery Mode
You can verify that the phone is in recovery mode.
To verify that the phone is in recovery mode:
1. Connect the phone to the PC and run WireShark.
2. In WireShark, filter by bootp and then check if the phone is requesting Option 66 (TFTP
Server) & Option 67 (Bootfile) under Option 55 in the ‘DHCP Discover’ message, as
shown in the figures below.
Figure C-2: Verifying Recovery Mode in Wireshark
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