OID_TAPI_SECURE_CALL
The OID_TAPI_SECURE_CALL OID requests the miniport driver to secure a particular call from any interruptions or interference that can affect the call's media stream.
Support for this request is optional.
This request uses an NDIS_TAPI_SECURE_CALL structure, defined as follows:
typedef struct _NDIS_TAPI_SECURE_CALL {
IN ULONG ulRequestID;
IN HDRV_CALL hdCall;
} NDIS_TAPI_SECURE_CALL, *PNDIS_TAPI_SECURE_CALL;
The members of this structure contain the following information:
ulRequestID
Reserved.hdCall
Specifies the miniport driver's handle to the call to be secured.
The MiniportSetInformationfunction can return one of the following:
NDIS_STATUS_SUCCESS
NDIS_STATUS_PENDING
NDIS_STATUS_TAPI_INVALCALLHANDLE
NDIS_STATUS_TAPI_INVALCALLSTATE
NDIS_STATUS_TAPI_OPERATIONUNAVAIL
NDIS_STATUS_TAPI_RESOURCEUNAVAIL
NDIS_STATUS_FAILURE