By using a website that allows it.
Your computer cannot just "magically" transmit bytes through the air without some sort of device to handle the signal. So, either you hook a handy up to your computer, or you find a web service that allows "free" sending of SMS and figure out how to access that service programmatically.
masijade
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Using a web service, as already mentioned.
masijade
Industrious Poster
4,253 posts since Feb 2006
Reputation Points: 1,471
Solved Threads: 494