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:
Nov. 02, 2021
Filed:
Apr. 22, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Tadaatsu Kidokoro, Tokyo, JP;
Koji Tanida, Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
A failure monitoring device and a failure monitoring method that reduce maintenance operations at the time of a failure of an SIP server are provided. A failure monitoring device () includes: a monitoring unit () configured to transmit a monitoring signal from the outside of an SIP server () to the SIP server () and detect a failure of the SIP server () in accordance with presence/absence of a response from the SIP server () or details of a response from the SIP server; and a control unit () configured to inhibit, in a case in which the failure has been detected by the monitoring unit (), a connection request toward a failed SIP server (_) in which a failure has been detected by the monitoring unit () in cooperation with a DNS server ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile