Add a third person to your call:
1. While on a call, tap the Add call button.
2. Enter the second person’s telephone number and press the phone icon to dial it. The first person is automatically put on hold while the call is made.
3. When the second caller answers, tap the Merge calls button to join the calls. The screen should now display ‘Conference call 2 people’.
If the second person’s line is busy or they don’t answer:
Disconnect the third person: