To place a call by dialing
From the Home screen, tap the Phone icon
(in the QuickTap bar) to open
the Dial tab of the Phone app.
Dial Tab
Displays the diapad.
Call Key
Tap here to dial the number that you entered manually.
Voice Dialer Key
Tap here to dial by saying the number.
Voicemail Key
Tap here to access your voicemail feature.
Message Key
Tap here to send a message to the number that you entered.
Touch and hold
to
enter the plus ( + ) symbol to dial an international number.Delete Key
Tap here to delete incorrect number(s) (appears after you begin entering numbers).
Use the dialpad to enter the number you want to call.
If you enter a wrong number, tap the Delete Key
to erase digits one
by one.To erase the entire number, touch and hold the Delete Key
.To dial an international number, touch and hold
to enter the plus ( + ) symbol.
Then enter the international prefix for the country, followed by the
full phone number.
Tap the Call Key
(on the dialpad) to dial the
number that you entered.Press the Volume Keys (on the back of the phone) to adjust the call volume.
Use the on-screen buttons to enter additional numbers, place the call on hold to take another incoming call, add another call, use the speakerphone, end the call, and other options.
You can use other phone features while the call is underway. If you open another app, the Call icon
appears in the Status Bar for the duration of the call.
If you opened other apps while on a call, you'll need to
return to the Call screen to end the call. To return to the Call screen,
you can tap the Home Key 
(in the Touch Keys bar), then
tap the Phone icon (in the QuickTap bar), ortap
the Contact's name or number (at the upper-left corner of the Home
screen). You can also drag the Status Bar down and tap the Call icon 
on the Notifications panel.
You can make High Definition Voice and Video Calls with this phone when you add Advanced Calling to your line.
Visit VerizonWireless.com/AdvancedCalling to learn how.