1. To use call waiting, swipe left from the Grey circle to the Answer icon
   
2. When connected to a call, tap Add a Call to use 3-way calling.
   
3. Tap Dial Pad.
   
4. Dial the desired number, then tap Call.
   
5. Once connected, tap Merge Calls.
   
6. To manage callers, tap the Menu icon.
   
7. Tap the Expand icon next to the desired contact.
   
8. To disconnect from the caller, tap Drop...
   
9. To begin a private conversation and place other callers on hold, tap Move to Separate Call.
   
10. To disconnect from all calls, tap End Call.