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Yealink CP920 - Appendix C - Unavailable Features for PSTN

Yealink CP920
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User Guide for the CP920 HD IP Conference Phone
154
To reboot the phone via web user interface:
1. Click on Settings->Upgrade.
2. Click Reboot to reboot the IP phone.
Note
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 a reset.
To reset the phone via phone user interface:
1. Tap Menu->Settings->Advanced Settings (default password: admin) ->Reset
Any reboot of the phone may take a few minutes.

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