I'm a member of my high school's theatre, and we are looking for a cheap alternative to a wireless headset system. We plan on using bluetooth headsets that connect to a computer in our control booth. We have a long-range receiver for the computer, so distance and signal are not issues. Is there any software (preferably free or inexpensive) that would allow us to connect multiple bluetooth headsets to a computer in a way that they could talk to each other? Multiple people would need to talk to each other all at the same time, so this software would need to let us do that. Thanks!