Check out the offering from Verint (Impact 360 Customer Feedback) - it's one of the best that I have come across....
http://verint.com/contact_center/section2a.cfm?article_level2_category_id=21&article_level2a_id=279
However, in the interest of fairness, there are others from NICE, Genesys and Avaya, plus several online/bureau services, available. |