While the call is in progress, place a call to a second party.
To dial the number manually:
Press Options and select Hold.
Enter the desired phone number, then press the Call key.
To call a contact that is stored in the address book:
Press the Navigation key up or down to access the sidebar icons, then select the Contacts icon.
Scroll to the desired contact, then press the Call key.
Once the second party answers, press Options then scroll to and select Join.
To end the conference call, press the End key.
Switch to a private conversation during a 3-way call NOTE: This allows a private conversation between the initiator and one participant, placing the other participant on hold.
Press Options.
Scroll to and select Split.
Scroll to and select the desired participant. NOTE: The unselected participant will be placed on hold.