To initiate a conference call while on an active call,
press the function key Select conference.
It should be the fifth option down within the function menu.
Once highlighted, press the okay button,
then enter the valid extension
or 10 digit number in which you wish to add the call.
Once the recipient answers, press the conference key again,
and the two calls will be joined.
To remove a party from the call,
press the hold message button.
Use the navigation arrows to select the call.
You wish to disconnect and hit the end button.