To Activate The Phone Lock Via Phone User Interface; To Change The Phone Unlock Pin Via Phone User Interface - Yealink SIP-T21 E2 User Manual

To activate the phone lock via phone user interface:

1. Press Menu->Settings->Advanced Settings (default password: admin) ->Phone
Lock.
2. Press or
field.
3. Press or
Type field.
4. (Optional.) Enter the desired interval of automatic phone lock in the Lock Time Out
field
The default timeout is 0. It means the phone will not be automatically locked. You
need to long press
If it is set to other values except 0 (e.g., 5), the phone will be locked when the phone
is inactive in idle screen for the designated time (in seconds).
5. Press the Save soft key to accept the change.
When the phone is locked, the LCD screen prompts "Phone locked." and displays
the icon .
To unlock the phone, you must know the phone unlock PIN. The default phone unlock PIN
is "123".

To change the phone unlock PIN via phone user interface:

1. Press Menu->Settings->Basic Settings->Change PIN.
2. Enter the desired values in the Current PIN, New PIN and Confirm PIN fields
, or the Switch soft key to select Enabled from the Lock Enable
, or the Switch soft key to select the desired type from the Lock
to lock it immediately when the phone is idle.
Customizing Your Phone
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