1. Extract the TelephonyService.zip contents to target machine in some folder say c:\
2. A folder named TelephonyService would be created (e.g. C:\TelephonyService)
3. Change the configuration file config.xml inside TelephonyService\conf (e.g. C:\TelephonyService\conf\config.xml)
3. Run the install.bat inside the TelephonyService folder (e.g. C:\TelephonyService\install.bat)