Find "Voice Mail"
Press Connect.
Press the Menu key.
Scroll to Options and press the Navigation key.
Scroll to Voice Mail and press the Navigation key.
Enter voicemail number
Press del to delete an existing number, if any.
Key in +353 (prefix) 5 (your phone number)
Key in +353 (prefix) 5 (your phone number)
E.g.: +353 87 5 1234567
Press the Menu key.
Press the Menu key.
Scroll to Save and press the Navigation key.
Exit
Press Disconnect to return to standby mode.