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. 09, 2019
Filed:
Mar. 24, 2015
Applicant:
Telefonaktiebolaget Lm Ericsson (Publ), Stockholm, SE;
Inventors:
Ralf Keller, Würselen, DE;
Mats Ola Stille, Bromma, SE;
Assignee:
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2018.01); H04W 60/00 (2009.01); H04L 29/06 (2006.01); H04W 8/08 (2009.01); H04W 8/12 (2009.01); H04W 88/06 (2009.01); H04W 84/04 (2009.01);
U.S. Cl.
CPC ...
H04W 60/005 (2013.01); H04L 65/105 (2013.01); H04L 65/1016 (2013.01); H04L 65/1073 (2013.01); H04W 8/08 (2013.01); H04W 8/12 (2013.01); H04W 84/042 (2013.01); H04W 88/06 (2013.01);
Abstract
A method of enabling dual registration of a User Equipment, UE, with first and second Internet Protocol Multimedia Subsystem, IMS, networks, the method comprising, in response to a connection request made to a gateway node by the UE, sending to the UE, network addresses of respective first and second Proxy Call Session Control Functions, P-CSCF, the first and second P-CSCFs being configured to enable IMS registrations to the first and second IMS networks respectively.