The Best 3 Way Call On Iphone References. Open the phone app and place a call to your first participant in the usual way. Web tap the phone number you want to call (your contact might have multiple numbers listed, such as a work and home number).
Most mobile devices allow up to five or six conference call participants at a time. Tap the phone icon on your iphone's home screen, and initiate a phone call. Web tap the “add call” button on your iphone’s screen to dial the third person’s number.
