I seem to remember most of this was due to be finally implemented in ~2015.
and their lack of good voice procedure.
Jan 1, 2013 after years of delays. Time flies my friend!
Mic discipline was always a gripe of mine. Never could get people to pause 1-2 secs after keying the mic... I swear some start speaking before they even pushed the button. LOL
PS I've got an old HS buddy that runs about 50 open windows on his 'puter. Always got something going on.