How can you change your voicemail to the robot girl?

I recorded a voicmail on my phone saying %26quot;hi im not here leave a message%26quot; and i decided i dont like it, and i want that robot that says %26quot;this person is not available leave a message after the beep%26quot; how do i change it back?? i have a sony ericson w580i . thanks.How can you change your voicemail to the robot girl?All you need to do is call your voicemail and go through the menu prompts to change your voicemail greeting.