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Key Coding Arrangement Disclosure Number: IPCOM000066736D
Original Publication Date: 1979-Apr-01
Included in the Prior Art Database: 2005-Feb-20

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Buffard, PH [+details]


In a central control telephone switching system, when the operator depresses a key on the operator console, a code corresponding to that specific key must be sent to the processor in order that the corresponding information may be processed.