You can also drag up the bar at the bottom of the screen to reject a call and send the caller a message.
3.3 Other Operations During a Call
3.3.1 Making a Conference Call
If you receive a new call while you are already in a call, you can add the second call to the call you are in. This feature is known as conference calling. You can also set up a conference call with multiple callers.
Contact your network operator to ask if conference calls are supported and, if yes, how many parties can participate.
1.To initiate a conference call, dial the number of the first participant. After you have connected to the first participant, keep the connection open, touch Add call.
2.Enter the phone number of the next person you want to invite for the conversation
and touch 
, or select someone from your Call log or Contacts. The first participant is automatically placed on hold while you do this.
3.Once you have connected to the second person, touch Merge calls to begin the conference call.
4.To end the conference call and disconnect from everyone, touch End.
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