Yealink T46G Skype For Business Edition User Manual page 59

When the locked phone is idle:
Line keys, digit keys, # key, * key, volume key, headset key and speakerphone key are available
and other keys on the phone are locked.
When the locked phone receives an incoming call:
You can answer, reject or mute the incoming calls.
When the locked phone engages in a call:
You can place the call on hold, mute or unmute the call, end the call or dial emergency numbers
(whether the phone can make other outgoing calls depends on the value of
DisableHandsetOnLockedMachine) only.
Phone status will change to Away after the phone is locked and the phone will revert to previous
Note
status when unlocked. For more information, refer to
To change the phone Unlock PIN via phone user interface:
Press ->Basic->Phone Lock->Change PIN.
1.
Enter the current unlock PIN in the Current PIN field.
2.
Enter the new unlock PIN in the New PIN field.
3.
Enter the new unlock PIN again in the Confirm PIN field.
4.
Press the Save soft key to accept the change.
5.
Unlock PIN is configurable via web user interface at the path Settings->Phone Lock.
Customizing Your Phone
Changing Presence Status on page 25.
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