http://discussion.forum.nokia.com/forum/showthread.php?s=&threadid=42369&perpage=15&highlight=*answer%20call*&pagenumber=3

In my application, I am trying to retrieve the calling number while the phone is still ringing.

Here is the code for RunL() method.

--------------------------------------------------------------------------

void CCallWatcher::RunL()
{
if(iStatus.Int() != KErrNone)
return;

switch(iState)
{
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);

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

}

iState = EAnswering;
break;

}
}

SetActive();
}

--------------------------------------------------------------------------

RAdvGsmCall will not work under Nokia 6600.

Try this:

RMobileCall::TMobileCallInfoV1 callInfo;
RMobileCall::TMobileCallInfoV1Pckg callInfoPckg(callInfo);
m_currentCall.GetMobileCallInfo(callInfoPckg);
(where m_currentCall defined as RMobileCall)

The caller ID is hidden in: callInfo.iRemoteParty.iRemoteNumber.iTelNumber