Hi
Is this code part of an app, exe, dll etc.?
If GetPhoneID() is using active objects and you don't have an active scheduler installed then it'll hang.

You're calling CActiveScuduler::RunIFReady() yet you say you're not using an active object, so what RunL are you trying to execute?

P.S.
What has flushing the window server buffer got to do with anything?

Not sure if this is available in Series 80 or not but it seems to work fine in Series 60 and is very simple:

TPlpVariantMachineId imei;
PlpVariant::GetMachineIdL(imei);

For some reason User::WaitForRequest simply hangs on the CTelephony API (at least on the S80), but the following workaround uses a CActive object (found it on the developer library and modified it a little). Hope this helps someone:

//=============================================
// Filename: Phoneutils.h
//=============================================

#include <etel3rdparty.h>

/* Declare the client class */
class CIMEI : public CActive
{
public:
CIMEI();

// Construction
void ConstructL();

// Destruction
~CIMEI();

static CIMEI* NewL();

// Issue request: retrieve IMEI
void GetIMEI(TRequestStatus &aStatus);

// Cancel request
void DoCancel();

// Service completed request
void RunL();

private:
CTelephony* iTelephony; // telephony object we own
CTelephony::TPhoneIdV1 iV1;
CTelephony::TPhoneIdV1Pckg* iPkg;
TRequestStatus *iIMEIStatus;

public:
TBuf<50> retrievedIMEI;
};


/* Define the client class */

CIMEI::CIMEI() : CActive(EPriorityStandard) {}

CIMEI* CIMEI::NewL()
{
CIMEI* self =new(ELeave) CIMEI();
CleanupStack::PushL(self);
self->ConstructL();
CleanupStack::Pop(self);
return self;
}

void CIMEI::ConstructL()
{
iPkg = new (ELeave) CTelephony::TPhoneIdV1Pckg(iV1);
iTelephony = CTelephony::NewL();
CActiveScheduler::Add(this);
}

CIMEI::~CIMEI()
{
Cancel(); // if any request outstanding, calls DoCancel() to cleanup
delete iTelephony;
delete iPkg;
}

void CIMEI::GetIMEI(TRequestStatus& aStatus)
{
aStatus=KRequestPending;
iIMEIStatus = &aStatus;
iTelephony->GetPhoneId( iStatus, *iPkg );
SetActive();
CActiveScheduler::Start();
}

void CIMEI::RunL()
{
if ( (iStatus == KErrNone) )
{
retrievedIMEI = (*iPkg)().iSerialNumber; // Read IMEI from package buffer
}
CActiveScheduler::Stop();

//Signal complete and pass back result of CActive object
User::RequestComplete(iIMEIStatus,iStatus.Int());
}

void CIMEI::DoCancel()
{
Cancel();
}


//=============================================
// Filename: testapp.cpp
//=============================================
#include "Phoneutils.h"

void CTestApp::test()
{
CIMEI* imei = CIMEI::NewL();
CleanupStack::PushL(imei);

TRequestStatus status;
imei->GetIMEI(status);

// wait for request to complete
User::WaitForRequest(status);

// Check if IMEI retrieved correctly
if (status==KErrNone)
{
TBuf<50> imeistr(imei->retrievedIMEI);
CEikonEnv::Static()->InfoWinL(_L("IMEI:"),imeistr);
}
else
CEikonEnv::Static()->InfoWinL(_L("IMEI:"),_L("Error retrieving IMEI"));

CleanupStack::PopAndDestroy();
}

Hi,

where or at what point of my application can I use this?

It is e.g working perfectly in AppUI::HandleCommandL(), but never returns when called in AppUI::ConstructL()

Regards
lkz633