9 voice and data communication system comprising automated dialers, voice response units, communication resource servers, and communication management workstations comprising keyboards and data display screens; voice and data workstations comprising keyboards, data display screens and telephone receivers; computer programs for use with voice and data communication systems and voice and data workstations and user manuals sold therewith; call management system, namely computer hardware, a telecommunication switch and associated software for integrating, controlling, monitoring and reporting on the activities of a computerized call center consisting of - telecommunication systems, namely central and private telephone switch (s), inbound call telephone switch, voice response unit and video conference unit; computer hardware, software application programs used to support inbound and outbound customer calling for multiple telephone agents