1 Find "Call mailbox"
Press the Menu key.
Press Settings.
Press Calling.
Press Call mailbox.
2 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 171
Key in 171
Press OK.
3 Exit
Press the Menu key to return to standby mode.