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NDIS_WWAN_USSD_EVENT structure (ndiswwan.h)

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The NDIS_WWAN_USSD_EVENT structure represents an Unstructured Supplementary Service Data (USSD) NDIS event.

Syntax

typedef struct _NDIS_WWAN_USSD_EVENT {
  NDIS_OBJECT_HEADER Header;
  WWAN_STATUS        uStatus;
  WWAN_USSD_EVENT    UssdEvent;
} NDIS_WWAN_USSD_EVENT, *PNDIS_WWAN_USSD_EVENT;

Members

Header

The header with type, revision, and size information about the NDIS_WWAN_USSD_EVENT structure. The MB Service sets the header with the values that are shown in the following table when it sends the data structure to the miniport driver for set operations. Miniport drivers must set the header with the same values when they send the data structure to the MB service.

Header submember Value
Type NDIS_OBJECT_TYPE_DEFAULT
Revision NDIS_WWAN_USSD_EVENT_REVISION_1
Size sizeof(NDIS_WWAN_USSD_EVENT)
 

For more information about these members, see NDIS_OBJECT_HEADER.

uStatus

A miniport driver must set this to WWAN_STATUS_SUCCESS for successful OID_WWAN_USSD query execution.

The following table shows the other possible error status codes (other members need not be updated by miniport driver).

Value Meaning
WWAN_STATUS_PIN_REQUIRED Device requires PIN value input.
WWAN_STATUS_FAILURE Unable to get visible list.
WWAN_STATUS_SIM_NOT_INSERTED A SIM card is not inserted in the device.
WWAN_STATUS_PROVIDERS_NOT_FOUND No providers are found. Device seems to be in no network coverage.
WWAN_STATUS_BUSY The device is busy and unable to scan. This can happen if the device does a destructive scan (for example, a scan may result in current registered state or PDP activation to be changed to deregister or PDP deactivation).
WWAN_STATUS_RADIO_POWER_OFF Unable to scan. Radio is switched off.
WWAN_STATUS_SERVICE_NOT_ACTIVATED Service activation has failed. Subscription has expired. Device does not allow scanning.

UssdEvent

A formatted WWAN_USSD_EVENT object that represents a USSD event.

Requirements

Requirement Value
Minimum supported client Supported starting with Windows 8.
Header ndiswwan.h (include Ndiswwan.h)

See also

WWAN_USSD_EVENT