lineGetCurrentSystemType (Compact 2013)
3/26/2014
Use the lineGetCurrentSystemType function to obtain the current line system type.
Syntax
HRESULT lineGetCurrentSystemType (
HLINE hLine,
LPDWORD lpdwCurrentSystemType
);
Parameters
- hLine
[in] The line device handle.
- lpdwCurrentSystemType
[out] Reference to the system type. For more information, see Remarks.
Return Value
Returns zero if the function is completed successfully, or a negative error number if an error occurred. The following are possible error return values:
- LINEERR_RESOURCEUNAVAIL
- LINEERR_INVALLINEHANDLE
- LINEERR_STRUCTURETOOSMALL
- LINEERR_INVALPOINTER
- LINEERR_UNINITIALIZED
- LINEERR_NOMEM
- LINEERR_OPERATIONUNAVAIL
- LINEERR_OPERATIONFAILED
Remarks
The following table contains details about the Line System Types.
Constant |
Protocol |
Value |
Description |
|---|---|---|---|
LINESYSTEMTYPE_NONE |
None |
0x00000000 |
No air interface standard |
LINESYSTEMTYPE_IS95A |
CDMA |
0x00000001 |
IS95A air interface standard |
LINESYSTEMTYPE_IS95B |
CDMA |
0x00000002 |
IS95B air interface standard |
LINESYSTEMTYPE_1XRTTPACKET |
CDMA |
0x00000004 |
1XRTTPACKET one-carrier radio-transmission technology |
LINESYSTEMTYPE_GSM |
GSM |
0x00000008 |
Global System for Mobile Communications (GSM) |
LINESYSTEMTYPE_GPRS |
GSM |
0x00000010 |
General Packet Radio Service (GPRS) |
LINESYSTEMTYPE_EDGE |
GSM |
0x00000020 |
Enhanced Data rates for GSM Evolution (EDGE) |
LINESYSTEMTYPE_1XEVDOPACKET |
CDMA |
0x00000040 |
Evolution-Data Optimized |
LINESYSTEMTYPE_1XEVDVPACKET |
CDMA |
0x00000080 |
CDMA2000 EV-DV (Evolution-Data/Voice) |
LINESYSTEMTYPE_UMTS |
UMTS |
0x00000100 |
Universal Mobile Telecommunications System |
LINESYSTEMTYPE_HSDPA |
HSDPA |
0x00000200 |
High-Speed Downlink Packet Access (HSDPA) |
Requirements
Header |
extapi.h |
Library |
cellcore.lib |
See Also
Reference
Extended TAPI Functions
lineSetCurrentAddressID
lineGetCurrentHSCSDStatus
lineGetCurrentOperator