TelTech intros pay-as-you-use lie detector phone service

I wonder if it actually provides any consistent data as voice analysis is only a small component of lie detection. This compounded with the reduced audio quality of a signal bounced over several phone-lines and i wonder how effective it can really be?

TelTech has launched what appears to be the industry's first pay-as-you-use telephone voice analysis (lie detection) service.

The service, appropriately named `LiarCard,' requires users to route a phone call via a US toll-free number, with onward dialling to the required party whose voice is to be analysed for truthfulness and other stress issues. more...