Schoeffler automatic recall switching system
Abstract
Abstract AN ARRANGEMENT IS DISCLOSED FOR AUTOMATICALLY ESTABLISHING A CALLING CONNECTION FROM A PRIVILEGED TELEPHONE CUSTOMER TO A PREVIOUSLY CALLED STATION IN RESPONSE TO AN ABBREVIATED DIALED CODE. THE CALLED DIRECTORY NUMBER DIALED FROM THE STATION OF A PRIVILEGED CUSTOMER IS AUTOMATICALLY WRITTEN INTO A DESIGNATED LOCATION OF A CENTRAL MEMORY TO THE EXCLUSION OF ANY PRIORLY WRITTEN DIRECTORY NUMBER. THE PRIVILEGED CUSTOMER CAN INITIATE RETRIEVAL OF THE LAST CALLED DIRECTORY NUMBER FROM THE DESIGNATED LOCATION BY DIALING AN ABBREVIATED NUMBER. THE DIRECTORY NUMBER RETRIEVED FROM THE DESIGNATED LOCATION IS THEN AUTOMATICALLY USED TO ESTABLISH A CALLING CONNECTION TO THE STATION DEFINED THEREBY.
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