Find "Call mailbox"
Press the Menu key.

Press Settings.

Press Calling.

Press Call mailbox.

Save voicemail number
If a number has been keyed in already:
Press and hold Voice mailbox until a pop-up menu is displayed.
Press and hold Voice mailbox until a pop-up menu is displayed.

Press Change number.
Key in (prefix) 5 (your phone number)
Key in (prefix) 5 (your phone number)

Press OK.

Exit
Press the Menu key to return to standby mode.
