iState for an incoming call

I am trying to identify an incoming caller number for a P900. A lot of the code I have been looking at have switch statements in the RunL() method for the phone status(EAnswering, EWaiting). I'm running the code and it's telling me that iState is undefined. Is there something i'm supposed to include? This is my code. Any help would be greatly appreciated.

#include <e32base.h> // for CActive
#include <etel.h>


class CIncommingCallListener : public CActive
{
   public:
      void Listen();
      CIncommingCallListener();
      ~CIncommingCallListener();
   
   private:
      void RunL();
      void DoCancel();    
      void ConstructL();

   private:
      RTelServer iTelServer;
      RPhone iPhone;
      RLine iLine;
      TName iCallName;
};

CIncommingCallListener::~CIncommingCallListener()
{
   Cancel();

   iLine.Close();
   iPhone.Close();
   iTelServer.Close();
}

void CIncommingCallListener::ConstructL()
{
   User::LeaveIfError(iTelServer.Connect());
   RTelServer::TPhoneInfo phoneInfo;
   User::LeaveIfError(iTelServer.GetPhoneInfo(0, phoneInfo));
   User::LeaveIfError(iPhone.Open(iTelServer, phoneInfo.iName));

   RPhone::TLineInfo lineInfo;
   User::LeaveIfError(iPhone.GetLineInfo(0, lineInfo));
   User::LeaveIfError(iLine.Open(iPhone, lineInfo.iName));
}

void CIncommingCallListener::Listen()
{
   iLine.NotifyIncomingCall(iStatus, iCallName);
   SetActive();
}

void CIncommingCallListener::DoCancel()
{
   iLine.NotifyIncomingCallCancel();
}

void CIncommingCallListener::RunL()
{
   if(iStatus.Int() == KErrNone)
   {
   switch(iStatus.Int())
   {
      case EWaiting:
      {
         iLine.NotifyIncomingCall(iStatus, iCallName);
         iState = EAnswering;
         break;
      }

      case EAnswering:
      {
         iLine.GetStatus(iCallStatus);
         if ( iCallStatus == RCall::EStatusRinging )
         {
            User::LeaveIfError(iCall.OpenExistingCall(iLine, iCallName));

         //// code added from forum for using RAdvGsmCall::TRemotePartyInfo /////////////

            TBuf<20> callNum;
            RAdvGsmCall::TRemotePartyInfo myRemotePartyInfo;
            myCall->GetRemotePartyInfo(myRemotePartyInfo);
            callNum = myRemotePartyInfo.iNumber.iTelNumber;
            _LIT(KMessage,"Got a new call ... Caller ID: ");
         //   CEikonEnv::Static()->InfoWinL(KMessage,callNum);
            console->Printf(KMessage);
            console->Printf(callNum);
         //// code added from forum for using RAdvGsmCall::TRemotePartyInfo /////////////

         }

         iState = EAnswering;
         break;

      }
   }
   //
   // a call is comming in called iCallName!
   //
   // lauch your other app or do what ever
   }
}