Here are the hot keys for VoxChat:
talk. space bar
text chat. control t
audio-controls:
control  o
configuration.
control  f
add room.
control d
join privat room.
control j
extend invitation.
control e
setup wizard.
control w
help topics.
control p


After you run voxchat (voxchat puts an icon on your desktop and will also be
on your programs menu), once you get in to a room for the first time, you will be
known as an unknown person.  Hit control F and you will be in a dialog box
where you can put in your name that you desire.  Also be sure to check the
box to enable sounds.  Hit control tab until you get to audio tab, and check
the full duplex button tab down to o.k and hit enter.  You will be briefly
disconnected from your room so that your new settings can take effect.  Now
when you are in a room, press the space bar to talk.  You know you can talk
when you hold down the space bar and it beeps.  Release the space bar when
you are done talking.