lineSetCallBarringPassword

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Use the lineSetCallBarringPassword function to change the call-barring password.

LONG WINAPI lineSetCallBarringPassword(
  HLINE hLine,
  DWORD dwMode,
  LPCTSTR lpszOldPassword,
  LPCTSTR lpszNewPassword
);

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 the barring mode for which the application needs to change the password.
• lpszOldPassword
  Points to the old password, which may be necessary to set a new password.
• lpszNewPassword
  Points to the new password.

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

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