Yealink SIP-T42G

User Guide for the SIP-T42G IP Phone
172
information on how to upgrade the SIP-T42G IP phone from the Skype for Business Server,
refer to Updating Phone Firmware from Microsoft Skype for Busniness Server .
How to reset your phone?
Reset the phone when other troubleshooting suggestions do not solve the problem. You
need to note that all customized settings will be overwritten after resetting. We
recommend you ask your system administrator for advice before resetting the phone.
To reset your phone via phone user interface:
1. Press Menu->Settings->Advanced Settings (default password: admin).
2. Press or to scroll to Reset to Factory, and then press the Enter soft key.
The LCD screen prompts the following message:
3. Press the OK soft key.
The LCD screen prompts “Resetting to factory, please Wait!”.
The LCD screen prompts “Initializing, please wait…”.
The phone will be reset to factory sucessfully after startup.
Note
You can also long press the OK soft key to reset the phone when the phone is idle.
Reset of the phone may take a few minutes. Do not power off until the phone starts up
successfully.
Welcome
Initializing...please wait
Resetting to factory, please wait…