I'm trying to activate voicemail on my phone - Optus says to go online and do it but in the account dashboard when I click on "Open Device Centre" nothing happens. What gives? How can I turn voicemail back on?
Solved! Solved: Go to Solution.
I don't think it's done via the Device Centre option.
You can try these alternative methods:
This option will only work if you're on a Postpaid service.