If you are the conference host, you can drop other parties from a conference, otherwise you can only drop yourself.
1.In the Calls gadget, hover your cursor over the participant that you want to drop. A number of call functions icons appear next to the parties name.
2.Click Drop. The participants icon changes to to indicate that the participants is no longer in the conference.
1.In the Calls gadget, click Drop All.
1.In the Calls gadget, click Drop.