Can't hear ringtone when receiving a text.
Recently I haven't been able to hear the ringtone when receiving texts. I have several ringtones set up for various contacts and none are. They have worked previously but not now. I have the volume up and the sound turned on. Could I have changed something in the settings that Im not aware of ?
I have an iPhone 4.
MacBook Pro, OS X Mountain Lion (10.8.5)