How do I set up voicemail from an ATT unlocked phone without going through ATT?

[AC Question]

how to set up voicemail from an att unlocked phone without going through att?

i signed up with consumer cellular and have their sim card instead

 

[OceanView]

Re: how to set up voicemail from an att unlocked phone without going through att?

contact consumer cellular customer service.
They should be able to do it