1. While on a call, select the Add call icon to automatically place the current call on hold to add another.
   
2. Use the dialpad to make a second call.
   
3. Select the Merge calls icon to create a conference call.
   
4. Select Conference call to view all ongoing calls.
   
5. To split the conference call, select the Split icon next to the desired call.
   
6. To end one of the calls, select the End call icon next to the desired call.
   
7. Select the End call icon to end the conference call.