Tap the Visual Voicemail toggle to disable Visual Voicemail and confirm by tapping turn off
Tap the same toggle to turn it back on
Tap the back button twice to exit the Phone app's settings menu
Tap the back button twice to exit the Phone’s settings menu. Note: You may still see a persistent message about activating Visual Voicemail. This message can be ignored. Note: You may see an introducing Visual Voicemail screen instead of your voicemail messages. Tap OK, got it to remove that screen
