T-Mobile wont let me not have voicemail even if I offer to continue paying for it and not employ it. I just dont want it on. I never check it and I'm unclear wh

T-Mobile wont let me not have voicemail even if I offer to continue paying for it and not employ it. I just dont want it on. I never check it and I'm unclear why we must absolutely have to have it... I am not hearing impaired.