I started having this problem a few days after the 4.3 update. All seemed to work fine (at least after a reboot). Was on a friend's network with limited cell connection and now my phone is not ringing and I no longer get audio text notifications. I have tried a reboot as well as a battery pull after power down. No new apps but I also tried booting in safe mode no luck there either. Any other ideas other than bringing in to a Verizon store? And before it is suggested, I did look at my settings and they are fine.
