Specifications

Troubleshooting
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3. Click Upgrade to upgrade the firmware.
The browser pops up the dialog box “Firmware of the SIP Phone will be updated. It
will take 5 minutes to complete. Please don't power off!”.
4. Click OK to confirm upgrading.
How to reset the phone?
Reset the phone to factory configurations after you have tried all troubleshooting
suggestions but do not solve the problem.
Three ways to reset the phone:
 Full Reset: All configurations and userdata on the phone will be reset.
 Config Reset: All configurations (e.g., account, call history) set on the phone will be
reset.
 Userdata Reset: All custom data (e.g., ring tone) set on the phone will be reset.
Contact your system administrator before resetting the phone.
To reset the phone via phone user interface:
1. Tap ->Advanced (default password: admin) ->Reset to Factory.
2. Tap the gray box of the Reset Option field.
3. Tap the desired reset option from the pull-down list.
4. Tap the Reset key.