To request access to contact data, call theABAddressBookRequestAccessWithCompletion function after calling the ABAddressBookCreateWithOptions function.
Much of the growth can be credited to Nextel's push-to-talk service, the walkie-talkie-like function that allows users to page and call friends instantly with a single button.
Users can easily call up or switch between functions assigned to the Fn (Function) button and control ring and change setting values as needed, allowing them to quickly set up their preferred style.
The function strip is again removable, with another four macro keys to call its own, while the numpad can join you either on the left or right side of the main board.