dwWaitForDialtone: Longint;
  end;

  LPLineCallInfo = ^TLineCallInfo;
  TLineCallInfo = record
    dwTotalSize,
    dwNeededSize,
    dwUsedSize: Longint;
    hLine: THLine;
    dwLineDeviceID,
    dwAddressID,
    dwBearerMode,
    dwRate,
    dwMediaMode,
    dwAppSpecific,
    dwCallID,
    dwRelatedCallID,
    dwCallParamFlags,
    dwCallStates,
    dwMonitorDigitModes,
    dwMonitorMediaModes: Longint;
    DialParams: TLineDialParams;
    dwOrigin,
    dwReason,
    dwCompletionID,
    dwNumOwners,
    dwNumMonitors,
    dwCountryCode,
    dwTrunk,
    dwCallerIDFlags,
    dwCallerIDSize,
    dwCallerIDOffset,
    dwCallerIDNameSize,
    dwCallerIDNameOffset,
    dwCalledIDFlags,
    dwCalledIDSize,
    dwCalledIDOffset,
    dwCalledIDNameSize,
    dwCalledIDNameOffset,
    dwConnectedIDFlags,
    dwConnectedIDSize,
    dwConnectedIDOffset,
    dwConnectedIDNameSize,
    dwConnectedIDNameOffset,
    dwRedirectionIDFlags,
    dwRedirectionIDSize,
    dwRedirectionIDOffset,
    dwRedirectionIDNameSize,
    dwRedirectionIDNameOffset,
    dwRedirectingIDFlags,
    dwRedirectingIDSize,
    dwRedirectingIDOffset,
    dwRedirectingIDNameSize,
    dwRedirectingIDNameOffset,
    dwAppNameSize,
    dwAppNameOffset,
    dwDisplayableAddressSize,
    dwDisplayableAddressOffset,
    dwCalledPartySize,
    dwCalledPartyOffset,
    dwCommentSize,
    dwCommentOffset,
    dwDisplaySize,
    dwDisplayOffset,
    dwUserUserInfoSize,
    dwUserUserInfoOffset,
    dwHighLevelCompSize,
    dwHighLevelCompOffset,
    dwLowLevelCompSize,
    dwLowLevelCompOffset,
    dwChargingInfoSize,
    dwChargingInfoOffset,
    dwTerminalModesSize,
    dwTerminalModesOffset,
    dwDevSpecificSize,
    dwDevSpecificOffset: Longint;

{$IFDEF TAPI20}
    dwCallTreatment,                                { TAPI v2.0 }
    dwCallDataSize,                                 { TAPI v2.0 }
    dwCallDataOffset,                               { TAPI v2.0 }
    dwSendingFlowspecSize,                          { TAPI v2.0 }
    dwSendingFlowspecOffset,                        { TAPI v2.0 }
    dwReceivingFlowspecSize,                        { TAPI v2.0 }
    dwReceivingFlowspecOffset: Longint;             { TAPI v2.0 }
{$ENDIF}
  end;

  LPLineCallList = ^TLineCallList;
  TLineCallList = record
    dwTotalSize,
    dwNeededSize,
    dwUsedSize,
    dwCallsNumEntries,
    dwCallsSize,
    dwCallsOffset: Longint;
  end;

  LPLineCallParams = ^TLineCallParams;
  TLineCallParams = record            { Defaults:        }
    dwTotalSize,                    { ---------        }
    dwBearerMode,                   { voice            }
    dwMinRate,                      { (3.1kHz)         }
    dwMaxRate,                      { (3.1kHz)         }
    dwMediaMode,                    { interactiveVoice }
    dwCallParamFlags,               { 0                }
    dwAddressMode,                  { addressID        }
    dwAddressID: Longint;           { (any available)  }
    DialParams: TLineDialParams;    { (0, 0, 0, 0)     }
    dwOrigAddressSize,              { 0                }
    dwOrigAddressOffset,
    dwDisplayableAddressSize,
    dwDisplayableAddressOffset,
    dwCalledPartySize,              { 0                }
    dwCalledPartyOffset,
    dwCommentSize,                  { 0                }
    dwCommentOffset,
    dwUserUserInfoSize,             { 0                }
    dwUserUserInfoOffset,
    dwHighLevelCompSize,            { 0                }
    dwHighLevelCompOffset,
    dwLowLevelCompSize,             { 0                }
    dwLowLevelCompOffset,
    dwDevSpecificSize,              { 0                }
    dwDevSpecificOffset: Longint;

{$IFDEF TAPI20}
    dwPredictiveAutoTransferStates,                 { TAPI v2.0 }
    dwTargetAddressSize,                            { TAPI v2.0 }
    dwTargetAddressOffset,                          { TAPI v2.0 }
    dwSendingFlowspecSize,                          { TAPI v2.0 }
    dwSendingFlowspecOffset,                        { TAPI v2.0 }
    dwReceivingFlowspecSize,                        { TAPI v2.0 }
    dwReceivingFlowspecOffset,                      { TAPI v2.0 }
    dwDeviceClassSize,                              { TAPI v2.0 }
    dwDeviceClassOffset,                            { TAPI v2.0 }
    dwDeviceConfigSize,                             { TAPI v2.0 }
    dwDeviceConfigOffset,                           { TAPI v2.0 }
    dwCallDataSize,                                 { TAPI v2.0 }
    dwCallDataOffset,                               { TAPI v2.0 }
    dwNoAnswerTimeout,                              { TAPI v2.0 }
    dwCallingPartyIDSize,                           { TAPI v2.0 }
    dwCallingPartyIDOffset: Longint;                { TAPI v2.0 }
{$ENDIF}
  end;

  LPLineCallStatus = ^TLineCallStatus;
  TLineCallStatus = record
    dwTotalSize,
    dwNeededSize,
    dwUsedSize,
    dwCallState,
    dwCallStateMode,
    dwCallPrivilege,
    dwCallFeatures,
    dwDevSpecificSize,
    dwDevSpecificOffset: Longint;

{$IFDEF TAPI20}
    dwCallFeatures2: Longint;                       { TAPI v2.0 }
  {$IFDEF WIN32}
    tStateEntryTime: TSystemTime;                   { TAPI v2.0 }
  {$ELSE}
    tStateEntryTime: array[0..7] of Word;           { TAPI v2.0 }
  {$ENDIF}
{$ENDIF}
  end;


{$IFDEF TAPI20}
  LPLineCallTreatmentEntry = ^TLineCallTreatmentEntry;
  TLineCallTreatmentEntry = record
    dwCallTreatmentID,                              { TAPI v2.0 }
    dwCallTreatmentNameSize,                        { TAPI v2.0 }
    dwCallTreatmentNameOffset: Longint;             { TAPI v2.0 }
  end;
{$ENDIF}


  LPLineCardEntry = ^TLineCardEntry;
  TLineCardEntry = record
    dwPermanentCardID,
    dwCardNameSize,
    dwCardNameOffset,
    dwCardNumberDigits,                             { TAPI v1.4 }
    dwSameAreaRuleSize,                             { TAPI v1.4 }
    dwSameAreaRuleOffset,                           { TAPI v1.4 }
    dwLongDistanceRuleSize,                         { TAPI v1.4 }
    dwLongDistanceRuleOffset,                       { TAPI v1.4 }
    dwInternationalRuleSize,                        { TAPI v1.4 }
    dwInternationalRuleOffset,                      { TAPI v1.4 }
    dwOptions: Longint;                             { TAPI v1.4 }
  end;

  LPLineCountryEntry = ^TLineCountryEntry;
  TLineCountryEntry = record
    dwCountryID,                                    { TAPI v1.4 }
    dwCountryCode,                                  { TAPI v1.4 }
    dwNextCountryID,                                { TAPI v1.4 }
    dwCountryNameSize,                              { TAPI v1.4 }
    dwCountryNameOffset,                            { TAPI v1.4 }
    dwSameAreaRuleSize,                             { TAPI v1.4 }
    dwSameAreaRuleOffset,                           { TAPI v1.4 }
    dwLongDistanceRuleSize,                         { TAPI v1.4 }
    dwLongDistanceRuleOffset,                       { TAPI v1.4 }
    dwInternationalRuleSize,                        { TAPI v1.4 }
    dwInternationalRuleOffset: Longint;             { TAPI v1.4 }
  end;

  LPLineCountryList = ^TLineCountryList;
  TLineCountryList = record
    dwTotalSize,                                    { TAPI v1.4 }
    dwNeededSize,                                   { TAPI v1.4 }
    dwUsedSize,                                     { TAPI v1.4 }
    dwNumCountries,                                 { TAPI v1.4 }
    dwCountryListSize,                              { TAPI v1.4 }
    dwCountryListOffset: Longint;                   { TAPI v1.4 }
  end;

  LPLineDevCaps = ^TLineDevCaps;
  TLineDevCaps = record
    dwTotalSize,
    dwNeededSize,
    dwUsedSize,
    dwProviderInfoSize,
    dwProviderInfoOffset,
    dwSwitchInfoSize,
    dwSwitchInfoOffset,
    dwPermanenTLineID,
    dwLineNameSize,
    dwLineNameOffset,
    dwStringFormat,
    dwAddressModes,
    dwNumAddresses,
    dwBearerModes,
    dwMaxRate,
    dwMediaModes,
    dwGenerateToneModes,
    dwGenerateToneMaxNumFreq,
    dwGenerateDigitModes,
    dwMonitorToneMaxNumFreq,
    dwMonitorToneMaxNumEntries,
    dwMonitorDigitModes,
    dwGatherDigitsMinTimeout,
    dwGatherDigitsMaxTimeout,
    dwMedCtlDigitMaxListSize,
    dwMedCtlMediaMaxListSize,
    dwMedCtlToneMaxListSize,
    dwMedCtlCallStateMaxListSize,
    dwDevCapFlags,
    dwMaxNumActiveCalls,
    dwAnswerMode,
    dwRingModes,
    dwLineStates,
    dwUUIAcceptSize,
    dwUUIAnswerSize,
    dwUUIMakeCallSize,
    dwUUIDropSize,
    dwUUISendUserUserInfoSize,
    dwUUICallInfoSize: Longint;
    MinDialParams,
    MaxDialParams,
    DefaultDialParams: TLineDialParams;
    dwNumTerminals,
    dwTerminalCapsSize,
    dwTerminalCapsOffset,
    dwTerminalTextEntrySize,
    dwTerminalTextSize,
    dwTerminalTextOffset,
    dwDevSpecificSize,
    dwDevSpecificOffset,

    dwLineFeatures: Longint;                        { TAPI v1.4 }

{$IFDEF TAPI20}
    dwSettableDevStatus,                            { TAPI v2.0 }
    dwDeviceClassesSize,                            { TAPI v2.0 }
    dwDeviceClassesOffset: Longint;                 { TAPI v2.0 }
{$ENDIF}
  end;

  LPLineDevStatus = ^TLineDevStatus;
  TLineDevStatus = record
    dwTotalSize,
    dwNeededSize,
    dwUsedSize,
    dwNumOpens,
    dwOpenMediaModes,
    dwNumActiveCall