Just got the Note 3 yesterday. Whenever i'm on a call, it makes like this screeching noise when the person on the other line is talking. It's not all the time, but its often enough, where i have to ask them to repeat themselves. It reminds me when your tv or something volume is too high, and when its a loud pitch, it makes that noise. Please help! Is my phone faulty, and i need to take it back to sprint for a replacement?