1. Find "Voicemail number"
Press the call icon.
Press the menu icon.
Press Settings.
Press Voicemail.
Press Advanced Settings.
Press Setup.
Press Voicemail number.
2. Save voicemail number
Key in (prefix) 5 (your phone number) and press OK.
(prefix) 5 (your phone number)
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.