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:
Mar. 01, 1994
Filed:
Dec. 18, 1991
G Wayne Andrews, Nashua, NH (US);
Jeffrey A Fried, Somerville, MA (US);
Jerry Gechter, Lincoln, MA (US);
Robert L Pokress, Andover, MA (US);
Unifi Communications Corporation, Billerica, MA (US);
Abstract
A system for external control of call processing including a network controller that is connected to receive a third party control message regarding a call operation to be executed by one or more line controllers and is programmed to determine what first party steps need to be taken by the line controller or controllers to execute the call operation, to generate first party control messages to carry out the steps, and to send the first party control messages over a network via a message transfer interface to one or more line controllers, the line controllers being connected to the network via message transfer interfaces to receive the first party control messages and being programmed to execute the first party messages on the network.