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:
Apr. 16, 2024
Filed:
Nov. 29, 2021
Rakuten Mobile, Inc., Tokyo, JP;
Krishnan Venkataraghavan, Tokyo, JP;
RAKUTEN MOBILE, INC., Tokyo, JP;
Abstract
A method performed by a device for determining a subscriber identification module (SIM) card to be used for a call is provided. The method includes determining, for each of plural call types and prior to a new call originating from a user equipment (UE), a SIM card to be used, from among a first SIM card installed in the UE and a second SIM card installed in the UE, identifying a call type of the new call originating from the UE, selecting, based on the identified call type, the SIM card previously determined for the identified call type according to the determining, and updating, based on performance of the new call and prior to a subsequent call, the determined SIM card for at least one of the plural call types.