Call centers have emerged as the primary vehicle for firms to interact with consumers, transforming consumer service jobs once characterized by variety and personal relationships into routinized and high speed operations. Call centers are used to provide services in many areas and industries: banks, insurance companies, emergency centers, information centers, help-desks, tele-marketing and more. Technological development has allowed remote service delivery using various channels of telecommunication. The definition of a call center is continuously changing, but the core...