@John1958
If you have wifi calling enabled, turn it off first.
If you have an iPhone also, you may have to dial 176002.
As a last resort, customer service should be able to help you Guide: Coronavirus Community Help and Support
Guide: All you need to know about O2 Voicemail 901
I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
