US 11,716,619 B2
System and method for using multiple wireless devices on a single wireless phone number
Sheldon Kent Meredith, Roswell, GA (US); Yevgeniy Puzyrev, Cumming, GA (US); and Zachary Meredith, Fairbanks, AK (US)
Assigned to AT&T Intellectual Property I, L.P., Atlanta, GA (US); and AT&T Mobility II LLC, Atlanta, GA (US)
Filed by AT&T Intellectual Property I, L.P., Atlanta, GA (US); and AT&T Mobility II LLC, Atlanta, GA (US)
Filed on Nov. 11, 2020, as Appl. No. 17/95,508.
Prior Publication US 2022/0150695 A1, May 12, 2022
Int. Cl. H04W 12/06 (2021.01); H04W 60/06 (2009.01); H04W 48/16 (2009.01); H04W 8/18 (2009.01); H04W 12/72 (2021.01); H04B 1/3827 (2015.01)
CPC H04W 12/06 (2013.01) [H04W 8/18 (2013.01); H04W 12/72 (2021.01); H04W 48/16 (2013.01); H04W 60/06 (2013.01); H04B 1/385 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving, by a mobile switching center, a first registration request to access a mobile network; and
responsive to the receiving the first registration request:
determining, by the mobile switching center, whether a first mobile device associated with the first registration request is permitted to access the mobile network according to a first international mobile subscriber identity (IMSI) assigned to a first subscriber identity module (SIM) of the first mobile device;
responsive to determining that the first mobile device is permitted access to the mobile network, retrieving, by the mobile switching center, a first phone number associated with the first IMSI of the first mobile device;
determining, by the mobile switching center, whether the first phone number associated with the first IMSI of the first mobile device matches a second phone number associated with a second IMSI assigned to a second SIM of a second mobile device;
determining, by the mobile switching center, whether the second mobile device is currently registered to the mobile network;
responsive to determining that the first phone number matches the second phone number and that the second mobile device is currently registered to the mobile network, sending, by the mobile switching center, a request for authentication to register the first mobile device and to deregister the second mobile device;
determining, by the mobile switching center, whether a response to the request for the authentication code matches an authentication code; and
responsive to the determining the response matches the authentication code, registering, by the mobile switching center, the first mobile device to the mobile network and deregistering, by the mobile switching center, the second mobile device from the mobile network.