A method, apparatus, and system places outbound calls using a predictive dialer at a call center and, optionally, receives inbound calls. The predictive dialing components use information about the substantive stage of the active calls at a given point in time to decide whether to begin to dial another...http://www.google.co.uk/patents/US6804346?utm_source=gb-gplus-sharePatent US6804346 - Staged predictive dialing system
