______________-__
      | _____________ |
      | |           | |
     [| |           | |
      | |  Phonium  | |
     [| |           | |
      | |___________| |
      |_______________|
      |               |
      | "   ]   ^   " |
      |               |
      |  1    2    3  |
      |               |
      |  4    5    6  |
      |               |
      |  7    8    9  |
      |               |
      |  *    0    #  |
      |_______________|

Phonium

A minimalist, homebrew phone.

Software Design Principals

Each screen is broken out into a view controller object.

Each controller should reset itself before segueing away, not reset on segueing into it (begin).