You can create a conference with two other parties using the phones local conferencing feature.
Place a call to the first party.
Press the Conf soft key to create a new call (the active call is placed on hold).
Dial the phone number of the second party or use the display control keys to access your contact directory, missed, received or placed call list. From one of these lists press the soft key.
When the second party answers, press the Conf soft key again to join all parties in the
Conference or press the soft key to put the first call on hold and keep the second call as the active call.
(Note) A conference can be created at any time between an active call either incoming or outgoing and a call which is on hold (on the same line or another line) by pressing the More soft key followed by the soft key.