The following two Java source files are all you need to be able to send text messages.
All you need to do is to download the two source files, and make the appropriate substitutions for mobile number, username and password. When the files are compiled, simply execute 'SendText', and a text message will be sent.
We're very keen that your integration should be straightforward and easy, so if you're having any trouble at all, then please don't hesitate to get in touch.