Haier HC-C300 User Manual page 19

Call forward: You can set the type of your call forward which you select but it needs network supporting.
Call waiting: You can set activate/cancel the call waiting function here, but it needs network supporting.
Call time: Use this menu to display or hide the call time during your conversation and call ended screen.
3. Phone
Use this menu to change the setting of Auto keylock, Time format, and Date format.
Auto keylock: Use this menu to set the keypad of your phone to lock automatically or not and choose the delay time when the phone is in the
standby mode.
Time format:
Use this menu to change the time format and display on your phone.
Date format:
Use this menu to change the date format and display on your phone.
4. Firewall
You can set the filtrated incoming call and messages, and make your phone under the secret protection.
Call:
Use this menu to block or allow some numbers for incoming calls and you can edit a black and white numbers list.
Private: You can activate message, contacts, calls and micro SD protection. To activate this function, you must enter the security code.
SMS: You can set whether to activate the SMS firewall function and following the filtrated rules as you select. The messages from spam number or
unknown contacts will be saved in spam, and you can set the way of reminding for the spam messages.
5. Security
You can changer the safe of your phone here.
Phone lock: You can set phone lock here. When phone is locked, to unlock user must enter the security code.