How do I change the voicemail for my cell phone?

I have a AT%26amp;T Samsung Propel,please tell me the steps how to change the voicemail. Thank You.How do I change the voicemail for my cell phone?Call your voicemail. At the end, it will tell you to change settings press a button. Follow those prompts...How do I change the voicemail for my cell phone?Call voicemail then listen to wat number it says to change personal greetings. Just follow what it tells you.