Open the Phone application.

To dial an international number, tap and hold the 0 key to enter the plus (+) symbol. Then, enter the international prefix for the country; followed by the full phone number.
Tap to dial using your voice.
Tap the Call Key  to dial the number that you entered.
 to dial the number that you entered.
Tap to send a text or multimedia message to the number you entered.
Tap the keys on the dialpad to manually enter a phone number.
If you enter a wrong number, tap the Delete Key  to erase digits one by one.
 to erase digits one by one.
To erase the entire number, tap and hold the Delete Key  .
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To dial an international number, tap and hold the  Key to enter the plus (+) symbol. Then, enter the international prefix for the country; followed by the full phone number.
 Key to enter the plus (+) symbol. Then, enter the international prefix for the country; followed by the full phone number.
Tap the Call Key  to dial the number that you entered.
 to dial the number that you entered.
You can use other phone features while the call is underway. If you open another application, the Call icon  appears in the Status Bar for the duration of the call.
 appears in the Status Bar for the duration of the call.
Press the Volume Keys to adjust the call volume.
Use the on-screen buttons to enter additional numbers, place the call on hold and take an incoming call, add another call, use the speakerphone, end the call, and other options.
If you opened other applications while on a call, you'll need to return to the Call screen and tap End call  to end the call. You can tap the Home Key
 to end the call. You can tap the Home Key  , then the Phone Key
, then the Phone Key  (in the Quick Keys bar) or tap the Contact's name or number at the top right corner of the Home screen to open the call screen. You can also drag the Notifications panel down and tap End call
 (in the Quick Keys bar) or tap the Contact's name or number at the top right corner of the Home screen to open the call screen. You can also drag the Notifications panel down and tap End call  .
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