I have a iphone 3g use itunes (windows vista 64 bit) but my iphone has a voicemail red dot with no numbers in it on the phone button on the iphone and a red dot on the voicemail in the phone ap (apples phone ap) i dial my voicemail but i dont have any voicemail ive reset it ive restored it with a new clean firmware from apple but its still there any suggestions heres a pic of it to help u out too