My phone cannot access dial keypad any more. At the bottom of the screen I have 4 icons, from left to right: Phone, Contacts, Messaging, Applications.

But when I click on "Phone", it brought me to the same place as I click on "Contacts". It does not show the dial keypad. It shows "Logs", "Contacts", "Favourites", "Groups".

I don't know how to make a simple phone call. Can someone tell me how do I fix this? Thanks.