lineSetCallBarringState

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Use the lineSetCallBarringState function to set call barring of media modes for a given call-barring mode.

LONG WINAPI lineSetCallBarringState(
  HLINE hLine,
  DWORD dwMode,
  DWORD dwClasses,
  LPCTSTR lpszPassword
);

Parameters

• hLine
  The line device handle. The line device handle must have been previously obtained by a call to lineOpen with the proper TAPI device ID specified and a device-specific extension version successfully negotiated with lineNegotiateExtVersion. For more information about lineNegotiateExtVersion and lineOpen, see the TAPI Functions API Reference topics on MSDN.
• dwMode
  Indicates which barring mode the application needs to set.
• dwClasses
  Indicates which line capability classes to bar. See the Line Capability Classes constants for possible values.
• lpszPassword
  A password may be necessary to set the current barring status.

Return Values

Returns a positive request identifier if the function is completed asynchronously, or a negative error number if an error occurs. The dwParam2 parameter of the corresponding LINE_REPLY message is zero if the function succeeds or it is a negative error number if an error occurs. The following are possible return values:

LINEERR_INVALLINEHANDLE
LINEERR_NOMEM
LINEERR_OPERATIONUNAVAIL
LINEERR_OPERATIONFAILED
LINEERR_RESOURCEUNAVAIL
LINEERR_INVALPOINTER
LINEERR_INVALPARAM
LINEERR_UNINITIALIZED

Remarks

Not implemented for CDMA.

This is a privileged function.

Requirements

Pocket PC: Pocket PC 2002 and later.
Smartphone: Smartphone 2002 and later.
OS Versions: Windows CE 3.0 and later.
Header: Extapi.h.
Library: Cellcore.lib.

See Also

Extended TAPI Functions | Line Capability Classes

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