"Company Prefix" allows you to put a prefix before each call. The prefix is choosen by the user. It's possible to use any prefix. This application can be used also abroad to make international calls through the so called "calling card that need to put a particular numer and pin before each number. The App is divided in four sections : 1) In the section CONTACTS it's possible to select or find (typing its name or surname in the apposite field) the contact that you want to call; - if in the