This Microsoft letters patent for acoustic caller ID seems cunning . Instead of bank on the phone company to ID by easy spoofed phone issue , the organisation IDs by voice . That way , caller can be key out from whatever line they call from , cadre , voip , landline , and gasolene station make up phone . Of course , that means the telephoner has to really speak before the person picks up the earpiece .
So voguish , yet so dumb .
Patent 7,231,019 : machinelike designation of telephone callers based on voice characteristics[USPTO viaWired ]
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