A while back my voice chat while playing Black Ops quit on me. I had been able to hear and interact fine previously, no change in router/modem/ext. Then it just stopped working. My nat type was strict I noticed, (not sure what it was at before) I've fixed this. It is currently on open, UPnP enabled, port forwarding, static ip for xbox and all those usual fixes found from googling. STILL I cannot hear or be heard. My headphone mic does not even seem to be recognized as the mic picture does not pop up next to my player name. The headphones/mic are verified to work correctly and I have bought new wires to connect it to the xbox, nothing worked. Every now and then when i join a lobby on Black Ops, I am able to hear everyone in the room chatting! I still cannot chat back as my mic is still not recognized. As soon as the match starts, everyone is muted as normal however. During the games all players are shown as muted and cannot be changed.
Any ideas would be great, even it ifs just to tell me Im out of luck. Then at least I can stop trying to fiddle with it.