Integrated Services Digitalpb

This text presents a detailed outline of ISDN, reflecting recent advances in the telecommunications industry due to digital technology. Describes the design, application, and operation of an integrated network carrying and switching voice, data, text, and facsimile services. Treatment is practical, not theoretical, drawing on experience gained from actual applications of ISDN. Explains the state of the art, the network development most suited to ISDN, national and international standard agreements necessary to make ISDN possible on a large scale, and what the future holds for integrated networks.