I have had an issue with two devices (the first one went back under warranty repair) where I will be in mid call and suddenly the person on the other end cannot hear me although I hear them fine. This will last for 15 seconds or so and then all is well for a while or if reboot and call back I may or may not have the issue again. This is not on every call and my husband on his iPhone at the same location does not have this problem ever. I have about 2-3 Verizon bars and never had this problem at the same location with my Moto X. Thoughts? Similar experiences?