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. 04, 2017
Filed:
Nov. 21, 2014
Applicant:
Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;
Inventor:
David Brombal, Plano, TX (US);
Assignee:
Telefonaktiebolaget LM Ericsson (publ), Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 4/00 (2009.01); H04W 36/00 (2009.01); H04L 29/06 (2006.01); H04W 8/06 (2009.01); H04W 8/12 (2009.01); H04W 60/00 (2009.01);
U.S. Cl.
CPC ...
H04W 36/0022 (2013.01); H04L 65/1083 (2013.01); H04L 65/80 (2013.01); H04W 8/06 (2013.01); H04W 36/0066 (2013.01); H04W 8/12 (2013.01); H04W 60/005 (2013.01);
Abstract
A method in a wireless device for voice call continuity is disclosed. The wireless device sends a register message to a network node. The wireless device has a first session transfer number. The wireless device receives a registration authorization message. The registration authorization message includes a second session transfer number for voice call continuity, the second session transfer number being dynamically assigned by the network node. The wireless device stores in memory the dynamically assigned second session transfer number.