You can set up a conference by calling two people and using the Confrnc soft key, or by joining two existing calls using the Join soft key.
Via Cnfrnc soft key
Call the first party.
During the Active Call, tap Confrnc
. The active call will be put on hold.
Call the second party.
When the second party answers, tap Confrnc to join everyone in a conference.
Via Join soft key
You can use the Join soft key to conference calls when you have an active call and the other call on hold.
Press the Join key.
The parties will be joined on the line of the last active call.