Apparatus, system, and method of managing data transmission, data transmission management program, and recording medium

摘要

A transmission management system (50) obtains, in response to a communications start request for starting communication between a first transmission terminal (10) and a second transmission terminal (10), first reservation identification information for identifying communication reserved for the first transmission terminal (10) and second reservation identification information for identifying communication reserved for the second transmission terminal (10), and determines whether to accept or reject the communication start request based on a match between the first reservation identification information and the second reservation identification information.