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An Automatic Telephone Intercept System

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2 Author(s)
Abbott, G. ; IBM Corporation, Systems Development Division, Raleigh, NC, USA ; Bence, R.

A mechanized telephone intercept system, such as that which was put into service in St. Louis, Mo., in February, 1965, is described. When fully loaded, this system will serve some 600 000 main telephones in Metropolitan St. Louis. The system includes an IBM 2910 Automatic Intercept Switch, IBM 7770 Audio Response Units, and an IBM 1440 Data Processing System. The types of calls handled, telephone traffic, reliability, programming, and costs are discussed.

Published in:

Communication Technology, IEEE Transactions on  (Volume:13 ,  Issue: 4 )