1. To add another call while on an active call, tap the Add call icon.
   
2. Dial the Desired number and tap the Call icon. Your Original call will be put on hold.
   
3. To merge calls, tap the Merge calls icon. The calls will become a conference call.
   
4. To place one call on hold, tap the Drop down menu icon.
   
5. Tap the Separate icon, the other call will be put on hold.
   
6. To disconnect one call, from the drop down menu, tap the End call icon next to the Desired call.
   
7. To disconnect all calls, tap the End Call icon.