Call-centre lie detectors 'to become widespread'

'Lie detectors', or voice stress analysis technology, will become commonplace over the coming year as the industry launches its biggest crackdown on claims fraud yet, according to analysts Datamonitor.

Groupama, Esure and Fortis have all confirmed plans to install the technology, which detects and analyses changes in the sound and patterns of speech, on their telephone systems. The report claims that the industry is clearly overcoming its initial misgivings about a tool that was widely perceive

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