使用API函数FaxSendDocument处理传真打印时总是提示87号错误，使我翻译的不正确吗？请高手挣分。

结构定义
Type
  A3DWORD=Array [0..2] of DWord;Type
  p3DWord=^A3DWORD;Type
  TFAX_JOB_PARAM=Record
    SizeOfStruct:DWord;
    RecipientNumber:PChar;
    RecipientName:PChar;
    Tsid:PChar;
    SenderName:PChar;
    SenderCompany:PChar;
    SenderDept:PChar;
    BillingCode:PChar;
    ScheduleAction:DWord;
    ScheduleTime:TDateTime;
    DeliveryReportType:DWord;
    DeliveryReportAddress:PChar;
    DocumentName:PChar;
    CallHandle:Pointer;
    Reserved:p3DWord;
  end;Type
  pointFAX_JOB_PARAM=^TFAX_JOB_PARAM;
函数中的处理
  //获得打印参数
  if (FaxCompleteJobParams(bFAX_JOB_PARAM, bFAX_COVERPAGE_INFO)=0) then
  begin
    FaxClose(aFaxPortHandle);
    FaxClose(aFaxHandle);
    ShowMessage('获得打印参数失败！');
    exit;
  end;  //bFAX_JOB_PARAM.CallHandle:=nil;
  bFAX_JOB_PARAM.RecipientNumber :='0,83875732';
  bFAX_JOB_PARAM.RecipientName := '王';
  bFAX_JOB_PARAM.Tsid := 'Fax';
  bFAX_JOB_PARAM.SenderName :=  'C';
  bFAX_JOB_PARAM.SenderCompany := 'H';
  bFAX_JOB_PARAM.SenderDept := 'Commerce';
  bFAX_JOB_PARAM.BillingCode := 'HSFAX';
  bFAX_JOB_PARAM.ScheduleAction := JSA_NOW;
  bFAX_JOB_PARAM.ScheduleTime := now;
  bFAX_JOB_PARAM.DeliveryReportType := DRT_NONE;
  bFAX_JOB_PARAM.DeliveryReportAddress := '';
  bFAX_JOB_PARAM.DocumentName := '采购单';
  bFAX_JOB_PARAM.CallHandle := nil;
  //ShowMessage(bFAX_JOB_PARAM.RecipientName);
  //showmessage(IntToStr(bFAX_JOB_PARAM.SizeOfStruct));  if bFAX_JOB_PARAM.CallHandle<>nil then
    showmessage(IntToStr(bFAX_JOB_PARAM.SizeOfStruct));
  aP3DWord[0]:=0;
  aP3DWord[1]:=0;
  aP3DWord[2]:=0;
  //aP3DWord[3]:=0;
  bFAX_JOB_PARAM.Reserved:=@aP3DWord;
  bFAX_JOB_PARAM.SizeOfStruct:=sizeof(TFAX_JOB_PARAM);  FaxJobId:=0;
  pFaxJobId:=@FaxJobId;
  //发出传真文件
  iTmp:=FaxSendDocument(aFaxHandle,
                      aFileName,
                      @bFAX_JOB_PARAM,
                      nil,//@bFAX_COVERPAGE_INFO,
                      pFaxJobId);
  if iTmp=0 then
  begin
    FaxClose(aFaxPortHandle);
    FaxClose(aFaxHandle);
    iTmp:=GetLastError;
    ShowMessage('发出传真文件失败！Error Code is '+intToStr(iTmp));
    exit;
  end;结果总是返回87号错误，含义就是参数不正确，有无高手给予解答，十分感谢！！！附windows底层的结构的说明
typedef struct _FAX_JOB_PARAM (
    DWORD SizeOfStruct;
    LPCTSTR RecipientNumber;
    LPCTSTR RecipientName;
    LPCTSTR Tsid;
    LPCTSTR SenderName;
    LPCTSTR SenderCompany;
    LPCTSTR SenderDept;
    LPCTSTR BillingCode;
    DWORD ScheduleAction;
    SYSTEMTIME ScheduleTime;
    DWORD DeliveryReportType;
    LPCTSTR DeliveryReportAddress;
    LPCTSTR DocumentName;
    HCALL CallHandle;
    DWORD_PTR Reserved[3];
) FAX_JOB_PARAM, *PFAX_JOB_PARAM;