Firmware version.
Note: With the same firmware generation, the
larger it is, the newer the firmware version is.
Why doesn’t the IP phone update the configuration?
Do one of the following:
Ensure that the configuration is set correctly.
Reboot the phone. Some configurations require a reboot to take effect.
Ensure that the configuration is applicable to the IP phone model.
The configuration may depend on support from a server.
Resetting Issues
Generally, some common issues may occur while using the IP phone. You can reset your phone
to factory configurations after you have tried all troubleshooting suggestions but do not solve
the problem. Resetting the phone to factory configurations clears the flash parameters, removes
log files, user data, and cached data, and resets the administrator password to admin. All custom
settings will be overwritten after resetting.
How to reset the IP phone to factory configurations?
To reset the phone via phone user interface:
1. Press Menu->Settings->Advanced Settings ->Reset Config.
2. In the Reset to Factory Settings field, press the Enter soft key.
3. Press the OK soft key.
Note
To reset the IP phone via web user interface:
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