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.

Date of Patent:
Dec. 30, 2014

Filed:

Feb. 17, 2012
Applicants:

Ju Young Kim, Osan-si, KR;

Su Jin Bae, Suwon-si, KR;

Young Ki Jeon, Hwaseong-si, KR;

Inventors:

Ju Young Kim, Osan-si, KR;

Su Jin Bae, Suwon-si, KR;

Young Ki Jeon, Hwaseong-si, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/66 (2006.01); H04L 29/06 (2006.01); H04W 48/18 (2009.01);
U.S. Cl.
CPC ...
H04W 48/18 (2013.01); H04L 65/104 (2013.01); H04L 65/103 (2013.01); H04L 65/1016 (2013.01);
Abstract

A method and an apparatus select a domain of an application server in order to support a voice call continuity service in a mobile communication system including an IP Multimedia Subsystem (IMS) domain and a Circuit Switched (CS) domain. The method includes selecting either the IMS domain or the CS domain according to a dynamic domain selection priority which is predetermined corresponding to a terminal when a voice call for the terminal is received. The method also includes anchoring the received voice call corresponding to the terminal through the selected domain. A voice call establishment for a terminal using first the most recent domain which is used for a voice call in a mobile communication system is initiated. Thus, it is possible in a mobile communication system to increase the domain selecting completion rates for a voice call service corresponding to a terminal.


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