Check your mute switch. I have an iPhone 5 and all of the functions work.

craigbellot · on Jan 30, 2013

Thanks... That fixed it. However maybe you should detect if the mute switch is on and display a message. I'm guessing a lot of others would not think of that.

jonknee · on Jan 30, 2013

> Thanks... That fixed it. However maybe you should detect if the mute switch is on and display a message. I'm guessing a lot of others would not think of that.

Sure, except there is not an API call for that.