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TSPI_lineGetCallIDs function (tspi.h)

  • Article

The TSPI_lineGetCallIDs function returns the call identifiers for the service provider. This function requires TAPI 3.0 version negotiation.

Syntax

LONG TSPIAPI TSPI_lineGetCallIDs(
  HDRVCALL hdCall,
  LPDWORD  lpdwAddressID,
  LPDWORD  lpdwCallID,
  LPDWORD  lpdwRelatedCallID
);

Parameters

hdCall

The service provider's handle to the call whose identifier is needed.

lpdwAddressID

A pointer to the call's address identifier.

lpdwCallID

A pointer to the call's identifier.

lpdwRelatedCallID

A pointer to the identifier of a related call.

Return value

Returns zero if the function succeeds, or an error number if an error occurs. Possible return values are as follows:

Remarks

In some telephony environments, the switch or service provider can assign a unique identifier to each call. This allows the call to be tracked across transfers, forwards, or other events. The domain of these call identifiers and their scope is service-provider defined.

Requirements

Requirement Value
Target Platform Windows
Header tspi.h

See also

CallHub Tracking

LINECALLHUBTRACKINGINFO