Data transmission system, data transmission method, data transmission apparatus, and computer usable medium therefor

摘要

A communication system, comprising a communication apparatus, an external memory unit, which stores a search criterion for destination information indicating a destination of communication that is designated under a predetermined criterion, a reader system, which reads the search criterion stored in the memory unit, a destination information obtaining system, which obtains the destination information that meets the search criterion read by the reader system from a destination information database, and a destination setting system, which designates the destination of communication based on the destination information obtained by the destination information obtaining system is provided.