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:
Apr. 10, 2012
Filed:
Jan. 24, 2008
Makoto Takahashi, Hino, JP;
Makoto Takahashi, Hino, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
According to one embodiment, a telephone system includes a plurality of telephone exchange apparatuses generate call information events specifying a plurality of telephone terminals to which call connections are made, a server apparatus which is connected to the plurality of telephone exchange apparatuses through the transmission paths, and a management unit executes call-state management of the plurality of telephone terminals, wherein each of the plurality of telephone exchange apparatuses include a determining unit which determines presence or absence of disconnections of call connections among the plurality of telephone exchange apparatuses and a transmitter which adds identification information to the call information event to be transmitted to the server apparatus, and the server apparatus includes a controller which controls execution and stop of the call-state management by the management unit based on the identification information, when the identification information is added to the received call information event.