Specifications

310HD, 320HD and 420HD IP Phones
38.2.3 420HD IP Phone
The procedures below describe how to view the 420HD IP Phone’s model type, firmware
version, and configuration file version.
 To view the phone’s firmware version:
1. Access the Firmware Version screen (MENU key > Status menu > Firmware
Version).
Administrator's Manual 232 Document #: LTRT-09910
2. The following screen appears, displaying the phone model and the firmware
version currently running on the phone: