1. While on a call, to add a call, tap the Add call icon > Dial the desired number > tap the Send key.
   
2. Tap the Merge icon to merge the calls.
   
3. To end the conference call, tap the End call icon.
   
4. To manage individual calls, tap Manage conference call.
   
5. Tap the Split icon next to the desired call to split it. Or tap the End call icon next to the desired call to disconnect it.