From the home screen, tap Phone.
On the Keypad tab, enter the phone number and tap the Call button.
To place a call from the phone book, tap Contacts.
Tap a contact.
Tap a phone number.
Tap mute to mute and unmute.
Note: The button will turn white when the call is muted.
Tap keypad to display the numeric keypad during a call.
Note: To return to the call screen, tap Hide.
Tap speaker to turn speakerphone on or off.
Note: The icon will turn white when speakerphone is active.
Tap contacts to view stored contacts.
Note: To return to the callscreen, tap the green status bar.
Tap FaceTime to initiate a video call with another iOS or Mac OS user.
While on a call, press the Home key to return to the home screen.
Tap the green bar at the top of the screen to return to the call.
Tap the End button to end the call.
The call is now complete.