Have been playing for several weeks using voice command.
Several nights ago, ENDWAR stopped "hearing" my commands, both online and single play. I can record messages through my profile and chat fine with others in OTHER games (Call of Duty, etc) But play Endwar? It does not "hear" me. Shut off machine / restart - STill can't hear me.

After several days, I put disk in again.
In single play mode it now "hears" my voice, and can play game, issue voice commands fine
Great!!!!
So I go online to play in "Theater of War" .... it cannot "hear" me. Go back to single play and guess what? Now it can't "hear" me also! So what software bug/virus is now the problem?
Please send me an e-mail explaining / fix at haawill@yahoo.com .
Thanks!

I've having this same problem, except in my case it isn't coming back. I've tried both single player and TOW, and I can record voice messages to friends without a problem.

I'm getting sick of these sort of bugs... I KNOW it isn't my headset, or the controller... as I've tried with three different ones of each, it's the game.