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:
Nov. 25, 2025

Filed:

Jun. 20, 2022
Applicant:

Huizhou Tcl Mobile Communication Co., Ltd, Guangdong, CN;

Inventor:

Xiaodong Huang, Guangdong, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04W 36/00 (2009.01); H04W 36/34 (2009.01); H04W 60/00 (2009.01); H04W 36/14 (2009.01); H04W 80/04 (2009.01);
U.S. Cl.
CPC ...
H04W 36/0005 (2013.01); H04W 36/34 (2013.01); H04W 60/00 (2013.01); H04W 36/1446 (2023.05); H04W 80/04 (2013.01);
Abstract

Embodiments of the present disclosure are directed to a switching method and a switching device. When a mobile terminal needs to be switched from a first communication network to a second communication network, detecting whether the mobile terminal is in a ringing state. When the mobile terminal is in the ringing state, detecting whether the mobile terminal is switched from the ringing state into a connecting state within a predetermined time period. When the mobile terminal is switched from the ringing state into the connecting state within the predetermined time period, performing an IMS registration through the second communication network to connect the mobile terminal to the second communication network.


Find Patent Forward Citations

Loading…