Often positioned in movies as "sci fi" and futuristic, the reality of voice print to secure identity is here today.  http://investmentexecutive.com/client/en/News/DetailNews.asp?Id=45664&cat=149&IdSection=149&PageMem=&nbNews=&IdPub=

Some businesses are hesitant to invest as there are concerns about whether or not this type of technology would scare off consumers.  Research we've recently conducted indicates that not only are consumers ready for this type of protection for their personal data - they would prefer doing business with a business who offers it.  http://investmentexecutive.com/client/en/News/DetailNews.asp?Id=45664&cat=149&IdSection=149&PageMem=&nbNews=&IdPub=

So in addition to improving security, and lowering agent time spend on inbound calls - voice print is most likely a way to differentiate your brand, level of service offering  - in the very near future.