BlueTooth: KerrCouldNotConnect

Hi all, I'm trying to open a bluetooth connection for a P800, but it returns me a KErrCouldNotConnect: this is the code:

CQBTUISelectDialog* dialog =
        new (ELeave) CQBTUISelectDialog(remoteDevAddr,
            remoteDevName,
            remoteDevClass,
            CQBTUISelectDialog::EQBTDeviceFilterAll, //device filter
            serviceFilter);
            
            
if (dialog->LaunchSingleSelectDialogLD())
      {

      RSocket btSocket;
      
      TBTSockAddr remoteSockAddr;
      
      remoteSockAddr.SetPort(tcpPort);
      remoteSockAddr.SetBTAddr(remoteDevAddr);
   
      TInt retValue=0;
      retValue=btSocket.Open(socketServ, KBTAddrFamily, KSockSeqPacket, KL2CAP);
      User::LeaveIfError(btSocket.Open(socketServ, KBTAddrFamily, KSockSeqPacket, KL2CAP));
   
      TRequestStatus requestStatus;
   
      btSocket.Connect(remoteSockAddr, requestStatus);
      
      User::WaitForRequest(requestStatus);

/****AND here launch the error********/

What does it means? How can I connect my socket??

Claudia