How do i change my voice mail greeting?

i have a LG VU [at%26amp;t] and i want to change my voicemail greeting like change it back to the default (where it just say the number)

instead the name record with my voice how to change it back i change it before but it didnt work nothin change plz tell me step by step how to change it to defaultHow do i change my voice mail greeting?
You should remove the program and reinstall it, you should be fine then good luck