Basic Call Features92Keypad LockTo enable Keypad Lock via Phone1. Press Menu--Settings--Advanced Setting--Phone Setting--Lock2. Press Info or Switch to change choose lock type:All Keys Menu Key Function Key Lock &Answer3. Press Save or OK key to save the configuration.To enable Keypad Lock via Phone1. Press Menu--Settings--Advanced Setting--Phone Setting--Lock2. Press Info or Switch to change to choose Off.3. Press Save or OK key to save the configuration.To enable Keypad Lock via Webpage1. Click Webpage Setting ā Features2. To choose the Phone Lock.3. To fill the unlock PIN and auto lock time4. Fill the Emergence Number, when the phone is Lock, only Emergency Number can be sent.