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Telephone Switching System Controller Disclosure Number: IPCOM000055161D
Original Publication Date: 1980-Jun-01
Included in the Prior Art Database: 2005-Feb-13

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Related People

Chapman, RE Nally, WL [+details]


An IBM Series/1 computer, including a central processing unit (CPU), is connected between the linefinder and Primary (first) Selector in a step-by-step dial exchange to monitor the called number, detect the calling number and class of service, and control the extension of the call through the switched network.