Call centre systems incorporate: "Caller ID" (US Patent: four,797,911, Declare forty two - Client Account On line Servicing) a way that immediately displays caller's identity such as consumer information (assuming their phone number was current while in the databases) and speech recognition program which authorized Interactive Voice Reaction (IVR) devices http://garrettysfpw.blogs-service.com/19206553/everything-about-singapore-call-center