今天运行了一下SDK的 Getphonenumber的例子，没在真机上测试。

/
// Function: SHGetPhoneNumber
// szNumber - Out Buffer for the phone number
// cchNumber - size of sznumber in characters
// nLineNumber - In which phone line (1 or 2) to get the number for
/
HRESULT SHGetPhoneNumber(LPTSTR szNumber, UINT cchNumber, UINT nLineNumber)
{
HRESULT hr = E_FAIL;
LRESULT lResult = 0;
HLINEAPP hLineApp;
DWORD dwNumDevs; //number of line devices
DWORD dwAPIVersion = TAPI_API_HIGH_VERSION;
LINEINITIALIZEEXPARAMS liep;

DWORD dwTAPILineDeviceID;
const DWORD dwAddressID = nLineNumber - 1;

liep.dwTotalSize = sizeof(liep);
liep.dwOptions = LINEINITIALIZEEXOPTION_USEEVENT;

//initialize line before accessing
if (SUCCEEDED(lineInitializeEx(&hLineApp, 0, 0, TEXT("ExTapi_Lib"), &dwNumDevs, &dwAPIVersion, &liep)))
{

BYTE* pCapBuf = NULL;
DWORD dwCapBufSize = CAPS_BUFFER_SIZE;
LINEEXTENSIONID LineExtensionID;
LINEDEVCAPS* pLineDevCaps = NULL;
LINEADDRESSCAPS* placAddressCaps = NULL;

pCapBuf = new BYTE[dwCapBufSize];
EXIT_ON_NULL(pCapBuf);

pLineDevCaps = (LINEDEVCAPS*)pCapBuf;
pLineDevCaps->dwTotalSize = dwCapBufSize;

// Get TSP Line Device ID
dwTAPILineDeviceID = 0xffffffff;
for (DWORD dwCurrentDevID = 0 ; dwCurrentDevID < dwNumDevs ; dwCurrentDevID++)
{
//ensure TAPI, service provider, and application are all using the same versions
if (0 == lineNegotiateAPIVersion(hLineApp, dwCurrentDevID, TAPI_API_LOW_VERSION, TAPI_API_HIGH_VERSION,
&dwAPIVersion, &LineExtensionID))
{
lResult = lineGetDevCaps(hLineApp, dwCurrentDevID, dwAPIVersion, 0, pLineDevCaps);

//increase buffer size if too small to hold the device capabilities
if (dwCapBufSize < pLineDevCaps->dwNeededSize)
{
delete[] pCapBuf;
dwCapBufSize = pLineDevCaps->dwNeededSize;
pCapBuf = new BYTE[dwCapBufSize];
EXIT_ON_NULL(pCapBuf);

pLineDevCaps = (LINEDEVCAPS*)pCapBuf;
pLineDevCaps->dwTotalSize = dwCapBufSize;

lResult = lineGetDevCaps(hLineApp, dwCurrentDevID, dwAPIVersion, 0, pLineDevCaps);
}
//lResult of 0 means the device capabilities were successfully returned
if ((0 == lResult) &&
(0 == _tcscmp((TCHAR*)((BYTE*)pLineDevCaps+pLineDevCaps->dwLineNameOffset), CELLTSP_LINENAME_STRING)))
{
dwTAPILineDeviceID = dwCurrentDevID;
break;
}
} 
}

placAddressCaps = (LINEADDRESSCAPS*)pCapBuf;
placAddressCaps->dwTotalSize = dwCapBufSize;

lResult = lineGetAddressCaps(hLineApp, dwTAPILineDeviceID, dwAddressID, dwAPIVersion, 0, placAddressCaps);

//increase buffer size if too small to hold the address capabilities
if (dwCapBufSize < placAddressCaps->dwNeededSize)
{
delete[] pCapBuf;
dwCapBufSize = placAddressCaps->dwNeededSize;
pCapBuf = new BYTE[dwCapBufSize];
EXIT_ON_NULL(pCapBuf);

placAddressCaps = (LINEADDRESSCAPS*)pCapBuf;
placAddressCaps->dwTotalSize = dwCapBufSize;

lResult = lineGetAddressCaps(hLineApp, dwTAPILineDeviceID, dwAddressID, dwAPIVersion, 0, placAddressCaps);
}
//lResult of 0 means the address capabilities were successfully returned
if (0 == lResult)
{
if (szNumber)
{
szNumber[0] = TEXT('/0');

EXIT_ON_FALSE(0 != placAddressCaps->dwAddressSize);

// A non-zero dwAddressSize means a phone number was found
ASSERT(0 != placAddressCaps->dwAddressOffset);
PWCHAR tsAddress = (WCHAR*)(((BYTE*)placAddressCaps)+placAddressCaps->dwAddressOffset);

StringCchCopy(szNumber, cchNumber, tsAddress);
}

hr = S_OK;
}

delete[] pCapBuf;
} // End if ()

FuncExit:
lineShutdown(hLineApp);

return hr;
}

本文转自xyz_lmn51CTO博客，原文链接：http://blog.51cto.com/xyzlmn/818958，如需转载请自行联系原作者