Yealink One Talk W78B - Phone Lock Management; Locking Phone Manually; Unlocking Your Phone; Changing Your Unlock PIN

User guide
37
About this task
What unauthorized users can do depends on the settings of the phone lock type. The phone supports the following phone
lock types:
• Menu key: it prevents unauthorized users from accessing the menu, changing the personal settings for your phone
• Function key: it only allows users to use the keypad for placing a call, answering or rejecting an incoming call and ending a call, and it prevents
unauthorized users from other operations
• All keys: it only allows users to use the keypad for dialing an emergency number or authorized numbers that set up by your system
administrator, answering or rejecting an incoming call and ending a call, and it prevents unauthorized users from other operations. The
phones only support All Keys type of phone lock
Note: The Volume key always available when you lock the phone.
Procedure
1. Go to Menu > Basic Settings > Phone Lock
2. Enter the desired PIN (default PIN: 123) in the Unlock PIN field and confirm the action
3. Select Enabled from the Lock Enable field
4. Select the desired type from the Lock type field
5. Enter the desired interval (0 - 3600 seconds) in the Auto Lock field. If the value is set to 0, the phone will not be automatically locked
6. Confirm the action
Locking your phone manually
You can lock the phone manually before the phone is automatically locked.
Before you begin
Make sure that the phone lock is set.
Procedure
1. Long press # key when the phone is idle
The lock icon appears on the phone screen
Unlocking your phone
You can use an unlock PIN to unlock the phone.
About this task
If you forget the unlock PIN, you can enter the administrator password to unlock your phone, and then automatically access the PIN change screen.
Procedure
1. Press any locked key, the phone prompts you to enter an unlock PIN
2. Enter the desired PIN (default: 123) in the Unlock PIN field
3. Confirm the action
The lock icon disappears from the phone screen
Changing your phone unlock PIN
The default unlock PIN is “123”. For security reasons, you should change the default unlock PIN as soon as possible.