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lineGetRegisterStatus (Compact 2013)

  • Article

3/26/2014

Use the lineGetRegisterStatus function to retrieve the network registration status of the device.

Syntax

LONG WINAPI lineGetRegisterStatus(
  HLINE hLine,
  LPDWORD lpdwRegisterStatus
);

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.
  • lpdwRegisterStatus
    The current registration status. See the Registration Status constants for possible values.

Return Value

Returns zero if the function completes successfully, or a negative error number if an error occurs. The following are possible return values:

  • LINEERR_RESOURCEUNAVAIL
  • LINEERR_INVALLINEHANDLE
  • LINEERR_STRUCTURETOOSMALL
  • LINEERR_INVALPOINTER
  • LINEERR_UNINITIALIZED
  • LINEERR_NOMEM
  • LINEERR_OPERATIONUNAVAIL
  • LINEERR_OPERATIONFAILED

Remarks

The lineGetRegisterStatus function is synchronous. No LINE_REPLY message is sent, and you can use the contents of the parameter structures immediately after this function call.

Library: Cellcore.lib.

Requirements

Header

extapi.h

Library

cellcore.lib

See Also

Reference

Extended TAPI Functions
Registration Status