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by moffkalast
1475 days ago
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> (ultra?)sound Well it's not ultra I'd say, that screeching is quite audible. Very similar in sound to an old phone modem. I think the system it uses is the same as for Moneta, which can be used in much the same way but gets billed to the sim account instead. I'm sure other countries also use the same principle for some services. |
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