By
eHow Electronics Editor
Difficulty: Moderately Easy
Step1
Turn on your iPhone and make the first call.
Step2
Hit the "Add Call" button on your phone's screen. The first call is put on hold temporarily. This allows you to speak with the second line privately before the calls are merged into a conference call.
Step3
Call the other conference call participants using the same process. If other participants are calling you, put the other calls on hold. Choose "Answer" and then select the "Merge" option.
Step4
Merge all of the calls into one conference call. To do this, select "Merge Calls." At this point, you may start the conference call.
Step5
Drop a call from the conference. Tap the "Conference" button and then select the red phone symbol next to the person you want to drop from the call. Choose "End Call" to drop them from the conference.
Step6
Talk one-on-one with someone in the conference. Select the "Conference" button and hit "Private" next to the person you want to talk with. Press the "Merge Call" button to return to the conference.