Cause 2 of 4: Voicemail hasn't been set up

If you haven't selected voicemail settings, you can't receive voice messages.

Solution: 1) Dial 0800 MYPHONE to access the main menu.

2) Enter your area code without the 0 and your telephone number,
eg 9123 4567.

3) Enter your temporary PIN (this is on the welcome letter you received) followed by #

4) When prompted enter a new 4 digit PIN number and then press #

5) Follow the voice prompts to set up your mailbox.