All the histories of the displayed tab are erase.
close of application.
Erase(Only the selected data)
Show the phone book(Already registered at it)
Register a phone book(Not registered at it)
Change Text Color
Change Background Color of each tab
Change Date and Time format
Call Duration ON/OFF
Change Call Duration Format
Select tab of startup
missed Alert ON/OFF
There is a button(Incoming history and Outgoing history) in the shortcus, please set up your home screen.