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:
Jun. 29, 2021

Filed:

Jul. 24, 2019
Applicant:

Samsung Electronics Co., Ltd., Gyeonggi-do, KR;

Inventors:

Wooyong Lee, Gyeonggi-do, KR;

Yeungseob Shin, Gyeonggi-do, KR;

Yongwoo Lee, Gyeonggi-do, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04W 60/00 (2009.01); H04W 36/00 (2009.01); H04L 29/06 (2006.01); H04W 8/18 (2009.01); H04W 8/20 (2009.01); H04W 12/43 (2021.01);
U.S. Cl.
CPC ...
H04W 60/005 (2013.01); H04L 65/1016 (2013.01); H04L 65/1069 (2013.01); H04W 8/183 (2013.01); H04W 8/20 (2013.01); H04W 12/43 (2021.01); H04W 36/0022 (2013.01);
Abstract

In accordance with an aspect of the disclosure, an electronic device is provided. The electronic device comprises a first subscriber identity module (SIM) and a second SIM, a first communication circuitry configured to perform wireless communication over a cellular network, a second communication circuitry configured to perform wireless communication over a Wi-Fi network, and at least one processor operatively connected with the first SIM, the second SIM, the first communication circuitry, and the second communication circuitry. The at least one processor is configured to perform a packet-based call associated with the first SIM using the first communication circuitry, and transmit a first re-registration message for internet protocol multimedia subsystem (IMS) re-registration for the second SIM to a network associated with the second SIM using the second communication circuitry, during the packet-based call associated with the first SIM.


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