Institute for Telecommunication Sciences
the research laboratory of the National Telecommunications and Information Administration

Donald V. Glen

Abstract: National and international work toward an Integrated Services Digital Network (ISDN) and the progress toward its implementation is described. Standards activity and technology relating to the ISDN, in the United States and abroad, are presented.

Keywords: Integrated Services Digital Network (ISDN); common channel signaling (CCS); digital connectivity; digital subscriber loops; Integrated Digital Network (ION); integrated voice and data


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Lilli Segre, Publications Officer
Institute for Telecommunication Sciences
(303) 497-3572
lsegre@ntia.doc.gov


Disclaimer: Certain commercial equipment, components, and software may be identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses.

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