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:
Aug. 22, 2023
Filed:
Mar. 31, 2021
Applicant:
Zte Corporation, Guangdong, CN;
Inventors:
Assignee:
ZTE CORPORATION, Guangdong, CN;
Primary Examiner:
Int. Cl.
CPC ...
H04W 74/08 (2009.01); H04W 16/28 (2009.01); H04W 56/00 (2009.01); H04L 65/1016 (2022.01); H04L 65/1073 (2022.01); H04W 8/04 (2009.01);
U.S. Cl.
CPC ...
H04L 65/1016 (2013.01); H04L 65/1073 (2013.01); H04W 8/04 (2013.01);
Abstract
Provided are a method and an apparatus for implementing a call service, an electronic device, and a computer readable storage medium, the method includes: deciding whether a first state of a terminal in an eMSC is consistent with a second state of the terminal in an IMS; if they are inconsistent, sending a registration request to the IMS to cause the terminal to complete an initial call service, wherein the eMSC does not subscribe to registration state information in the IMS.