I have somewhat of a major issue going on right now with my iPhone. For some reason calls keep going directly to voicemail no matter what I do. It rings once then jumps to voicemail. This started yesterday and I did an erase and reset and loaded the backup on the phone. It worked fine after that. I turn on Do Not Disturb at night and this morning when I turned it off the phone continues to send calls directly to voicemail. It started doing this initially after I turned on Do Not Disturb the first time and when I turned it off continue to send calls to voicemail. Now its doing it again. I've done several reboots, put the phone into airplane mode, etc. and nothing seems to work. Anyone have any ideas?