Call functions1. Press [ ] to answer the call. The first call isautomatically put on hold.2. Press <Swap> to switch between the calls.3. Press <Options> and select End held call to endthe call on hold.4. To end the current call, press [ ].5. Press <Options> and select Join.6. Repeat steps 4 and 5 as desired.Having a private conversation with oneparticipant1. Press <Options> and select Select one.2. Select a name or number from the participant list.