1. While a call is active, tap Add call.
   
2. Enter the desired number and tap the Call icon to place a second call.
   
3. Tap Merge call to create a conference call.
   Note: To put the current call on hold and resume the waiting call, tap the "On hold" call.
   
4. The calls will be connected. Tap Manage Conference.
   
5. Tap the Focus icon to make a call private, and place the other call on hold.
   
6. Tap the End call icon to hang up a call and resume the other call.
   
7. When a call is incoming, swipe the green icon to the right.