I agree with SnypaUK, most of the vocal features will be too complex for a computer.
I'd like just to see a more simple command interface, just like to see on the AI icons below the position of the men (standing, on the knees,...) and pressing "M" a drag & drop system to link men, guns, roles (2, gunner, get in BMP). When I play resistance I hate to waste lot of time to charge the arms in trucks and to collect the "special" items.
In reality, I don't care so much about the way to talk with my men, i just care they do exactly what I want.
ciao