I must have installed some skin for the dialer, but I decided to switch back to the normal theme. I could not remember where I found the skin to install, so I decided to delete the MobilePhone.app and put back on another one I had backed up.
And now everytime I open the Phone app it will just crash back to the springboard. I'm sure I set the permissions right; to 775.
Any help would be great; thanks : )