How do I make a conference call?

A conference call enables up to six telephone users to speak to each other at one time.

1. Call the first person you wish to include in the conference
2. Press the Recall button to receive a dial tone and dial the number (internal or external) of the party to be added
3. Inform the person they are about to join a conference call
4. Press the Recall button to receive a dial tone and select *4.
5. The call is now joined to the conference, repeat steps 2-4 as necessary