Name: Yealink SIP-T23P
Brand: Yealink
Rating: 4 (1 reviews)

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Troubleshooting

173

How to upgrade firmware?

To upgrade firmware via web user interface:

1. Click on Settings->Upgrade.

2. Click Browse to locate the required firmware from your local system.

3. Click Upgrade to upgrade the firmware.

The web user interface prompts “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. You need to note that all customized settings

will be overwritten after reset.

To reset the phone via phone user interface:

1. Press Menu->Settings->Advanced Settings (default password: admin) ->Reset to

Factory.

2. Press the Enter soft key.

The LCD screen prompts the following warning:

3. Press the OK soft key.

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