You can drop parties from a conference call, including yourself. You can also mute other parties.

1.While connected to a conference call, if you press the Details key, the conference details menu is displayed.
2.You can then perform the following actions:
To scroll through the list of callers in the conference, use the up arrow up and down down arrow arrow keys.
To drop the caller displayed from the conference, press the Drop soft key. Pressing the key drop DROP button will also drop the displayed party.
To mute a caller, highlight them and press Mute. Repeat this to unmute them.
To return to the call display, press the Exit soft key.

Note: If you are the only internal user in the conference, depending on your telephone systems configuration, dropping yourself might end the conference. Consult your system administrator for details.