This sociotechnical analysis assesses the effects on the educational environment of migrating from the currently fragmented analog system to an environment dominated by integrated digital telecommunications systems. An integrated telecommunications channel is at the heart of the design for an ISDN (integrated services digital network). ISDN is a set of technical standards and a network architecture that describe a digital telecommunications channel able to carry voice, data, and compressed video on the same telecommunications network. Two central issues are how an integrated telecommunications system will differentially affect voice, data, and video users, and whether ISDN inherently favors large or small "customers" for telecommunications services. The conceptual discussion is followed by a case study of a large university (Ohio State) in the process of developing an integrated telecommunications system. (26 references) (Author/EW)