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My iPhone doesn't always ring, why?

I've had my iPhone 4S since it's introduction, I love it, except it doesn't always ring when I get a call. Yes, Airplane mode is off, the ringer is on. Take yesterday for instance, over a period of 5 hours, four calls didn't ring, 3 went to VoiceMail, one showed as a missed call, three other calls came through normally. During this entire time the phone was sitting on my desk, fully charged.


Has anyone else had this problem?

iPhone 4S, iOS 5.1.1

Posted on May 30, 2012 2:44 PM

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Posted on Oct 30, 2013 8:20 AM

That means your iPhone is in "Do Not Disturb" mode which will cause you to not be alerted when you get a notification (such as a phone call, message, Facebook/twitter notification).


To turn this on or off, go to:


Settings<Do Not Disturb<"ON" or "OFF"


You can also edit the times you want "Do Not Disturb" to be on by going to


Settings<Notifications<Do Not Disturb


Hope this helps

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My iPhone doesn't always ring, why?

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