Dell Mini 3v - Manual (Page 36)

1 Contacts icon
To use speed dialing:
In the Home screen, tap the Phone icon and tap and hold the Speed dial number. For example, tap and hold 1 to call Speed dial #1.
Set SMS to Decline the Call
This feature allows you to edit a message that will automatically be sent to the caller after you have declined their call.
To save your message, press the Options button and tap the Save icon.
To add more messages, press the Options button and tap the New icon.
To exit this screen, tap the Back icon.
Voicemail
Your Voicemail number is set by your cellular operator and is stored on your SIM card. Use the Voicemail option to view your voicemail number.