User Guide for the SIP-T28P IP Phone
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4. Long press to lock the phone immediately when the phone is idle.
The LCD screen prompts “Phone locked.” and displays the icon .
You can specify the interval (in seconds) to automatically lock the phone instead of long
pressing .
To configure the interval of automatic phone lock via web user interface:
1. Click on Features->Phone Lock.
2. Enter the desired interval in the Phone Lock Time Out (0~3600s) field.
3. Click Confirm to accept the change.
Note
To unlock the phone, you must know the phone unlock PIN of the phone. The default
phone unlock PIN is “123”.
The default interval is 0 second, that is, you need to long press to lock the phone.
The interval of automatic phone lock is configurable via web user interface only.