Auto-muting? Help!

While playing Ghosts. If you say anything that the xbox can misconstrue as "Ghosts mute all" it will mute everyone. You then can say "Ghosts unmute all" There are secret voice commands that most are unaware of. Not sure if this is your issue but it is worth
a shot if you haven't tried it.

Certain game modes dont allow private chat or there was a patch in the last update in reference to mute and lobbies. If that hasnt fixed it I dunno.

I'm just going to take a shot in the dark and make a suggestion. As of right now (this will change march 11th), when you invite someone to an xbox live party, they're going to be directed to game chat. You have to manually switch to party via the party's
snap app. I'm not entirely sure if this feature has something to do with why your party members are muted, but I'm assuming that the Xbox one automatically puts your party together within the party app, like a default. Not sure.. See if your party members
show up at all in the party when you group with them in game. Hope this helps. If not, I will do some tests on my end. I have also experienced issues like this but they become few and far in between as I learn more about my console.

Same here. But its only friends. So i got a friend when i join his room in Ghost its auto mutes him( sometimes another friend as well). So then we go into a party chat, and i can hear him then as well. We are friends on Xbox why can i not hear him. Since
I bought my Xbox One haven't heard this dude speak since 360!! haha

Yeah, the in-game chat is what I'm talking about. Party chat and private chat work fine.