Drifter,
Any dial-in participants that disconnect from a conference will be automatically removed from the conference when they disconnect. Dial-out participants, however, will remain in the conference even after they have disconnected.
The thinking behind the design is that because dial-out participants did not initiate the call, they may be unable to reconnect to the bridge themselves. They are left in the participant list so that the operator may reconnect them more easily. Unfortunately, this feature does not seem to be configurable on the version of RMX software. I will continue to investigate, but it seems to be the normal behavior of the bridge.
I'll update this thread if I find anything for you.
