System and method for determining trust for SIP messages

US9401935B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9401935-B2
Application numberUS-91564910-A
CountryUS
Kind codeB2
Filing dateOct 29, 2010
Priority dateApr 13, 2009
Publication dateJul 26, 2016
Grant dateJul 26, 2016

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  5. First independent claim

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Abstract

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A method for performing initial registration is provided. The method includes receiving a server timeout message, the server timeout message including at least a field set to a value equal to a value received during a first registration. The method further includes initiating restoration procedures by performing an initial registration.

First claim

Opening claim text (preview).

What is claimed is: 1. A method for handling service restoration by a network node in a Session Initiation Protocol (SIP) based network, the method comprising: receiving a SIP request from a user equipment (UE), and responsive to receiving the SIP request, attempting to retrieve a user's profile from a home subscriber server; and responsive to detecting a failure to retrieve the user's profile from the home subscriber server, sending a first SIP response to the UE of the user, t…

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What does patent US9401935B2 cover?
A method for performing initial registration is provided. The method includes receiving a server timeout message, the server timeout message including at least a field set to a value equal to a value received during a first registration. The method further includes initiating restoration procedures by performing an initial registration.
Who is the assignee on this patent?
Bakker Jan Hendrik Lucas, Buckley Adrian, Allen Andrew, and 1 more
What technology area does this patent fall under?
Primary CPC classification H04L65/1073. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Jul 26 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).