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:
Sep. 06, 2005
Filed:
Apr. 16, 2003
Elliot Eichen, Arlington, MA (US);
Robert Israel, Westford, MA (US);
Evegeni Belin, Framingham, MA (US);
Robert Olshansky, Wayland, MA (US);
Elliot Eichen, Arlington, MA (US);
Robert Israel, Westford, MA (US);
Evegeni Belin, Framingham, MA (US);
Robert Olshansky, Wayland, MA (US);
Level 3 Communications, Inc., Broomfield, CO (US);
Abstract
The present invention provides a system and method for establishing the availability of a node to received a voice over internet protocol (VoIP) call. The present invention comprises attempting to establish a VoIP call to a given node that is the target of the VoIP call, determining whether the attempt to establish the VoIP call is successful; and generating an alarm in response to a call failure. According to embodiments of the invention, the method may comprise extracting call metrics from a VoIP call that provide information regarding the quality of a VoIP connection and generating an alarm in response to the call metrics falling below a threshold.