Thank you for inquiring about this issue, I understand your frustration over having audio issues with a brand new device. I have seen some other people have this issue and one thing that seems to help is turning on the Hearing Aid Compatibility. This is not to say you need a hearing aid, it just increases the volume of the earpiece. Go to Settings>Call Settings> check HAC or Hearing Aid Compatibility.
Also, I do not understand your second issue. You said you were talking to your friend on their home phone, then the phone called her cell phone? Are the numbers switched around between the home and mobile numbers? Did the phone select the wrong one? Can you please clarify?
I'm having this same problem. I have set the HAC and can now hear the voice mail, but nothing else. The speaker is working fine. People can hear me when I call, but I can't hear them... I can't hear the phone ringing or anything.
MarquiaF_VZW, my wife is having the same problem and your suggestion does not work. Is there a known problem in the field and if so, could you tell us if we are better off having it serviced than trying anything else? Because we've tried just about EVERYTHING we can think of. Thank you.
Having the same problem with an LG Cosmos 2 -- on a voice call, the other party can hear me but I can't hear the phone ring when I call OR hear their voices. UNLESS I turn on speakerphone and then the phone works as it should. I have tried removing the battery for 30 seconds; checking to be sure Voice Privacy is OFF; adjusting all the sound settings. Is there anything else we can try?