ISDN Explained Worldwide Network and Applications Technology Third Edition John M. Griffiths and the staff at BT Laboratories, UK ISDN (Integrated Services Digital Network) is now an established communications development and continues to replace modems as a fast transmission mechanism. This significantly updated and expanded third edition of ISDN Explained provides an overview of the principles and applications of ISDN operation and application. Building on the success of the first and second editions, this new version provides more detail on the broadband aspects and adds a complete...