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:
Feb. 07, 2023
Filed:
Oct. 29, 2020
GM Global Technology Operations Llc, Detroit, MI (US);
Jaswanth Krishna Aavula, Macomb, MI (US);
Charles A Everhart, Canton, MI (US);
Sitaram Emani, South Lyon, MI (US);
Vishnu Chikondla, Novi, MI (US);
GM GLOBAL TECHNOLOGY OPERATIONS LLC, Detroit, MI (US);
Abstract
A method of operating a mobile communication system of a motor vehicle is provided for initiating a voice call with a third party. The system includes an ECU, and the ECU includes a controller and a memory storing computer code. The method includes the steps of: (a) initiating a timer; (b) operating the ECU in a first mode in which the ECU attempts to engage in a VoNR call via a first network; (c) repeating step (b) within a predetermined amount of time until the ECU successfully engages in the VoNR call; and (d) operating the ECU in a second mode to attempt to engage in a VoLTE call via a second network in response to the controller determining that the ECU in the first mode did not successfully engage in the VoNR call within a predetermined amount of time.