The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 25, 1989
Filed:
Jun. 29, 1988
Nicholas Zwick, Denville, NJ (US);
Charles R Walden Jr, Montclair, NJ (US);
Louis J Francz, Westfield, NJ (US);
Jay L Gerbehy, Califon, NJ (US);
Dialogic Corporation, Parsippany, NJ (US);
Abstract
A Call Filter System (CFS): (1) logically interfaces between a public telephone network and business customer premises equipment; (2) automatically processes incoming and outgoing calls which are amenable to such intervention; and (3) enlists the aid of human intervention on calls requiring such intervention. The CFS includes a network line interface (NLI) for receiving calls from and placing calls to the public telephone network; a premises line interface (PLI) for receiving calls from and placing calls to the business customer premises equipment; a voice processing means (VPM) which is switchably interconnected to the NLI and/or the PLI for translating audio signals transmitted thereto from the NLI or PLI and for transmitting audio signals to the NLI or PLI; a connection and switching means (CSM) for connecting and switching the NLI to either the PLI or VPM and for connecting and switching the PLI to either the NLI or VPM; and a controller for directing the activities of the NLI, PLI, VPM and CSM to automatically process incoming calls to and outgoing calls from the CFS.