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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.:

US 8955089 B1

PDFFull Text
Date of Patent:
Feb. 10, 2015

Filed:

Dec. 08, 2010

'push' keep-alive mechanism for sip user agents located behind nats/firewalls

Applicant:

Alexander Shatsky, Waterloo, CA;

Inventor:

Alexander Shatsky, Waterloo, CA;

Assignee:

BlackBerry Limited, Waterloo, Ontario, CA;

Attorneys:

Conley Rose, P.C.

J. Robert Brown, Jr.

Primary Examiner:

Baotran N To

Int. Cl.
CPC ...
G06F 15/16 (2006.01); H04L 29/06 (2006.01); H04L 29/12 (2006.01); H04W 12/00 (2009.01); H04W 4/14 (2009.01);
U.S. Cl.
CPC ...
H04L 63/0227 (2013.01); H04W 4/14 (2013.01); H04L 65/1006 (2013.01); H04L 61/2564 (2013.01); H04L 61/2553 (2013.01); H04L 61/2578 (2013.01); H04W 12/00 (2013.01);
Abstract

A user equipment (UE) and method is provided having one or more components configured to receive a non-session initiation protocol (SIP) notification from a SIP entity and in response to send a ping request to the SIP entity, the one or more components further configured to receive a SIP request from the SIP entity. A network component and method is also provided that include one or more components configured to send a non-session initiation protocol (SIP) notification to a user equipment (UE) and to receive a ping request from the UE and further to send a SIP request to the UE.

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Quick Actions:

Shatsky, Alexander. (2015). 'push' keep-alive mechanism for sip user agents located behind nats/firewalls (U.S. Patent No. 8955089). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8955089

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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