Problem in Receive incoming Call after Ringing?

[Tanya]

Hi

my work is when call is incoming than my application not gone on the background but when i click on green Key from my application at that time receive call.

Actually i make two Active Object second active object do work after click on the green key but i not capable to receive call.

please give me solution???

AppUi - ConstructL
-------------------
{
.
.
	iCallEngine = CMyCallRecieveEngine::NewL(this, ETrue);

	objectcount = 0;
	iReceiveCallEngine = CMyCallRecieveEngine::NewL(this, ETrue); 
	objectcount = 1;

	
	// capture green and  key permanently
	iReceiveKey = CCoeEnv::Static()->RootWin().CaptureKey(  
        EStdKeyYes,0,0 );

	iCancleKey = CCoeEnv::Static()->RootWin().CaptureKey( EStdKeyNo, 0, 
        0 );


	//// Make the application a high priority application
	CEikonEnv::Static()->RootWin().SetOrdinalPosition(0, 
        ECoeWinPriorityAlwaysAtFront);

	iSetforeground = EFalse;
       SetDefaultViewL(*view1);
.
.
}


void CMyCallRecieveAppUi::HandleWsEventL(const TWsEvent &aEvent, CCoeControl *aDestination)
	{

		TBuf<70> log;
		if (aEvent.Key()->iCode == 63587)
		{
		
			iReceiveCallEngine = CMyCallRecieveEngine::NewL(this,ETrue); 

               }

		if (aEvent.Key()->iCode == EKeyYes)
		{	
			iAnswer = ETrue;
		}

		CAknViewAppUi::HandleWsEventL(aEvent, aDestination);
        }

CALLENGINE
-------------

void CMyCallRecieveEngine::RunL()
{
	TBuf<70> log;
	CFileLogger::WriteLogL(_L("In RunL"));
	
	if (iFlag)
	{
		iCall.AnswerIncomingCall();	
		iFlag = EFalse;
	}
	if(iStatus == 0)
	{
		TInt err = iLine.GetStatus(iCallStatus);
		if(iCallStatus == RCall::EStatusRinging)
		{		
			RMobileCall::TMobileCallInfoV1 mobCallInfo;
			RMobileCall::TMobileCallInfoV1Pckg mobCallInfoPckg(mobCallInfo);
			
			iCall.GetMobileCallInfo(mobCallInfoPckg);
			iCallerNumber.Copy(mobCallInfo.iRemoteParty.iRemoteNumber.iTelNumber);
			iFlag = ETrue;
		}
	}
	if(!iFlag)//else  // if do not get ringing status
	{
		iCall.Close();	
		iLine.Close();
		_LIT(KClose,"CLOSE CALL & LINE");
		CFileLogger::WriteLogL(KClose);

		//Get info about the first line from the phone
		RPhone::TLineInfo lineInfo;
		TInt err1 = iPhone.GetLineInfo( 0, lineInfo );
		_LIT(KGetLineInfo,"Get Line Info (zero)if no error: %d");
		log.Format(KGetLineInfo, err1);
		CFileLogger::WriteLogL(log);

		TInt err2 = iLine.Open( iPhone, lineInfo.iName );
		CFileLogger::WriteLogL(lineInfo.iName);

		_LIT(KRlineOpen,"RLine Open (zero)if no error: %d");
		log.Format(KRlineOpen, err2);
		CFileLogger::WriteLogL(log);
	
		CFileLogger::WriteLogL(_L("Again Call Wait Call Function"));
		WaitCall();
	}
}

Regards 
Tanya