1 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.

2 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.

3 Exit
Press Disconnect to return to standby mode.
