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by m-a-r-c-e-l
505 days ago
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I did something similar 20 years ago. Setup 4 Nokia phones with 4 SIM cards for the 4 different networks in Germany. It was possible to connect them via a serial cable to a linux machine and receive/send SMS. Used that to offer a horse betting service: people could bet on horses via complex SMS syntax. It worked, but never made enough money :) |
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