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Performing a firmware upgrade
Follow this procedure to upgrade the IP Phone firmware.
If a firmware upgrade for the IP Phone is available, the system prompts you to upgrade when you log on. If the firmware level is between the minimum and maximum level set by the administrator, Yes and No options appear on the soft keys. If the terminal is below the minimum level, the only option is Yes. You cannot log on until you perform the upgrade.
While an upgrade is in progress, the terminal reboots and becomes temporarily unavailable.
Step Action
1From the main menu, select and open Upgrade. The Upgrade confirmation screen appears.
2Confirm the action.
A second confirmation screen appears.
3Press Yes.
The firmware is downloaded.
Carrier VoIP
Nortel IP Phone 2004 User Guide (CICM)
4 July 2008