Tapi COM EVENT Hadling - Type mismatch 0x80028CA0 - ITTAPIEventNotification

$custom_number = 418
$txtAddressName = "Alice Line  SIP 418"
Global Const $LINEADDRESSTYPE_PHONENUMBER = "&H1"
Global Const $LINEMEDIAMODE_INTERACTIVEVOICE = "&H4"
Global Const $TAPI3_ALL_TAPI_EVENTS = "&H1FFFF"
Global Const $fOwner = True			; ensures that the application receives incoming calls and their call state events
Global Const $fMonitor = True		; Boolean value indicating whether the application will own incoming calls. TRUE indicates that the application will own incoming
									;calls; FALSE indicates that it will not.
Global Const $lMediaTypes = "&H8"; 8
Global Const $lCallbackInstance = "&H1"; 1
Global $regToken
Global $gobjAddress
Global $objTapi
Global $objTapiEvent
Global $objTapiWithEvents
Global $oErrorHandler
; objTapi.RegisterCallNotifications( [in] ITAddress* pAddress, [in] VARIANT_BOOL fMonitor, [in] VARIANT_BOOL fOwner, [in] long lMediaTypes, [in] long lCallbackInstance )
;~ 	_add_CallToList($custom_number)
	Local  $lAddressType = $LINEADDRESSTYPE_PHONENUMBER
	Global $bolFoundLine
	$oErrorHandler = ObjEvent("AutoIt.Error", "_ErrFunc")
	$objTapi = ObjCreate("TAPI.TAPI")
	$mapper = ObjCreate("DispatchMapper.DispatchMapper.1")
	$objTapi.Initialize
	$objTapi.EventFilter = $TAPI3_ALL_TAPI_EVENTS
	$objCollAddresses = $objTapi.Addresses
	For $lLoop = 1 To $objCollAddresses.Count
		$objCrtAddress = $objCollAddresses.Item($lLoop)
		If $objCrtAddress.AddressName = $txtAddressName Then
			$gobjAddress = $objCrtAddress
			$bolFoundLine = True
			ExitLoop
		EndIf
	Next
	If $bolFoundLine = True Then
		$objTapiWithEvents = $objTapi
		$regToken = $objTapiWithEvents.RegisterCallNotifications($gobjAddress, $fMonitor, $fOwner, $lMediaTypes, $lCallbackInstance)
		If @error Then ConsoleWrite("Es gab einen Fehler bei $regToken" & @CRLF)
		ConsoleWrite("########## RegTokken: ->" & $regToken & "<- #########################" & @CRLF)
		Sleep(3000) ; zeit geben zum Initialisieren der RegisterCallNotifications Methode
;~ 		ConsoleWrite(VarGetType($objTapiWithEvents) & @CRLF)
		Local $test = ObjEvent($objTapi, "_TapiEvent_", "ITTAPIEventNotification")
		If @error Then ConsoleWrite("Es gab einen Fehler bei objEvent" & @CRLF)
		ConsoleWrite("$test ='" & $test & "'" & @CRLF)
		ConsoleWrite("blub" & @CRLF)
	EndIf
	While 1
		Sleep(100)
	WEnd
; Event method definition
Func _TapiEvent_ITTAPIEventNotification();($Tapi_Event, $IDispatch)
	ConsoleWrite("event geht ein!!!!" & @CRLF)
	Local $ret = "&H0"
	return $ret
EndFunc
	; User's COM error function. Will be called if COM error occurs
Func _ErrFunc($oError)
    ; Do anything here.
    ConsoleWrite(@ScriptName & " (" & $oError.scriptline & ") : ==> COM Error intercepted !" & @CRLF & _
            @TAB & "err.number is: " & @TAB & @TAB & "0x" & Hex($oError.number) & @CRLF & _
            @TAB & "err.windescription:" & @TAB & $oError.windescription & @CRLF & _
            @TAB & "err.description is: " & @TAB & $oError.description & @CRLF & _
            @TAB & "err.source is: " & @TAB & @TAB & $oError.source & @CRLF & _
            @TAB & "err.helpfile is: " & @TAB & $oError.helpfile & @CRLF & _
            @TAB & "err.helpcontext is: " & @TAB & $oError.helpcontext & @CRLF & _
            @TAB & "err.lastdllerror is: " & @TAB & $oError.lastdllerror & @CRLF & _
            @TAB & "err.scriptline is: " & @TAB & $oError.scriptline & @CRLF & _
            @TAB & "err.retcode is: " & @TAB & "0x" & Hex($oError.retcode) & @CRLF & @CRLF)
EndFunc   ;==>_ErrFunc