How do I change my voicemail on the samsung rant?

I am trying to change my voicemail on the samsung rant for sprint. how do i do that?How do I change my voicemail on the samsung rant?Press 1 and hold it down to dial voicemail. From there go into options (option 3) then option 2 to change greeting. (If you've never set up voicemail, you will be guided through the process)