When you make another call while you're already on a call, your first call
is automatically put on hold.
While on a call, tap Add Call.
Do any of the following:
- Tap a phone number, name, or speed dial contact.
- Tap . Tap a contact.
- Tap . Dial a number.
To merge both calls and start a conference call, tap .
To add more people to the conference call, repeat steps 1 to 3.