Yealink SIP-T40P User Manual page 45

Enter the desired value in the Old PIN, New PIN and Confirm PIN field respectively.
2.
Press the Save soft key to accept the change or the Back soft key to cancel.
3.
Note
The unlock PIN length must be within 15 digits.
To unlock the phone via phone user interface:
Press any locked key, enter the "Phone Lock" screen.
1.
Enter the desired PIN in the Unlock PIN field.
2.
Press the OK soft key to unlock the phone.
3.
The icon
You can long press
again.
Note
You can also unlock the phone by administrator password. When you enter the administrator
password to unlock the phone, the phone will turn to the Change PIN screen.
To deactivate the phone lock via phone user interface:
Press Menu->Settings->Basic Settings->Phone Lock.
1.
Enter the desired PIN (default PIN: 123) in the Unlock PIN field, and then press the OK soft
2.
key.
Press
3.
disappears from the LCD screen.
or wait for a period of time (if configured) to lock the phone
or , or the Switch soft key to select Disabled from the Lock Enable field.
Customizing Your Phone
33