[Solange82200]

If Im not mistaken, that is just enabling your phone to read out info like the name of incoming calls, etc. Voice Command is an actual program that is seperate from those settings. If you have it set to a hard key (which I think you have to, I dont know of another way of using it since it has no icon), you should see that it will still work whether that setting you mentioned is enabled or not. Someone tell me if Im wrong, that is what I deduced from messing with my phone...