My iPhone 4 keeps prompting for voicemail password at what time by no means set one up.Has anybody else have this problem. Just started on the way to occur to me nowadays. I open up my phone application as well as go to voicemail furthermore it state wrong voicemail password. Is here a means on the way to get free of this? I by no means set a voicemail password up. Fine I am pretty certain I did not. This presently started occurring as well as I have by no means observe this before until today. Wondering if anybody has resolve this earlier than. Please post if anybody be familiar with. Thanks in advance for your valuable suggestion!