In Microsoft® Office Communicator 2007 R2, during a conference, you can use the Conference call controls to invite others, make a participant a leader, eject a participant, mute a participant, or invite a participant to a new conversation.

Invite others to a conference call

In the Conversation window, click the Invite button, and then select the contacts that you want to invite.

Dial an outside number to invite a participant

In the Conversation window, click the Invite button, type the person’s phone number in the Search box, and then double-click the number in the Search Results box.

Make a participant a conference leader

In the conference roster, right-click a participant, and then click Make Leader. This action is only available if you initiated the conference and are the conference leader.

Eject a participant

In the conference roster, right-click the person you want to eject, and then click Remove from Conference.

Mute a participant
In the conference roster, right-click the person you want to mute, and then click Mute. This action is only available if you initiated the conference and are the conference leader.

Invite a participant to a new conversation
In the conference roster, right-click the participant, click Invite to New Conversation, type a message in the message entry area, and then press ENTER.