// code to get IMEI
public static string GetTerminalImeiAddress()
{
Telephony t = null;
Line line = null;
try
{
t = new Telephony();
t.Initialize();
line = t.CreateLine(0,MediaMode.AutomatedVoice, CallPrivilege.Monitor);
byte[] buffer = new byte[512];
//write size
BitConverter.GetBytes(512).CopyTo(buffer, 0);
if (lineGetGeneralInfo(line.hLine, buffer) != 0)
{
throw new System.ComponentModel.Win32Exception(
System.Runtime.InteropServices.Marshal.GetLastWin32Error(),
"TAPI Error: " + System.Runtime.InteropServices.Marshal.GetLastWin32Error().ToString("X"));
}
int serialsize = BitConverter.ToInt32(buffer, 36);
int serialoffset = BitConverter.ToInt32(buffer, 40);
string imei = System.Text.Encoding.Unicode.GetString(buffer, serialoffset, serialsize);
imei = imei.Substring(0, imei.IndexOf(Convert.ToChar(0)));
return imei;
}
catch (Exception ex)
{
Log.Error(ex);
}
finally
{
try
{
if (line != null)
line.Dispose();
}
catch (Exception ex)
{
Log.Error(ex);
}
try
{
if (t != null)
t.Shutdown();
}
catch (Exception ex)
{
Log.Error(ex);
}
}
return string.Empty;
}