I had a weird thing happen last night, on my cell-- it's never happened before... You know how every once in a while you can hear your own voice on a 1 or 2 second delay feedback through your earpiece? Well, I was about 12 minutes into a perfectly clear call, and then I heard a voice coming through that hadn't been there... I thought it was that feedback-thing going on. I asked the other party, "did you hear that?", and they said "no". So we keep talking and it's clear again, and then a couple of minutes later it happens again-- but it definitely was NOT my voice. It was another voice coming through, almost louder than us on the call and it sounded like radio comm chatter-- kind of garbled, but I could tell it was a woman operator's voice. I could not tell what was being said, but it had that tone and cadence of a radio transmission. This happened a few more times over the next two minutes or so, the other party still never able to hear what I was hearing, when I finally was too freaked and ended the call. This was on Verizon network, Samsung Android, around 10:30 pm eastern.