US 11,871,212 B2
Methods and systems of using remote subscriber identification modules at a device
Uzair Ahmed Chughtai, Kowloon (HK); Man Kit Kwan, New Territories (HK); and Yu Yeung, Kowloon (HK)
Assigned to Pismo Labs Technology Limited, Kowloon (HK)
Filed by Pismo Labs Technology Limited, Kowloon (HK)
Filed on Feb. 14, 2023, as Appl. No. 18/109,617.
Application 18/109,617 is a continuation of application No. 17/706,211, filed on Mar. 28, 2022, granted, now 11,601,797.
Application 17/706,211 is a continuation of application No. 17/039,616, filed on Sep. 30, 2020, granted, now 11,290,867, issued on Mar. 29, 2022.
Application 17/039,616 is a continuation of application No. 16/034,671, filed on Jul. 13, 2018, granted, now 10,834,572, issued on Nov. 10, 2020.
Application 16/034,671 is a continuation of application No. 16/069,886, granted, now 11,212,664, issued on Dec. 28, 2021, previously published as PCT/IB2018/053983, filed on Jun. 4, 2018.
Prior Publication US 2023/0199476 A1, Jun. 22, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 8/18 (2009.01); H04L 12/46 (2006.01); H04L 9/40 (2022.01); H04W 8/20 (2009.01); H04W 12/06 (2021.01); H04L 12/14 (2006.01); H04W 88/06 (2009.01)
CPC H04W 8/183 (2013.01) [H04L 12/1403 (2013.01); H04L 12/1464 (2013.01); H04L 12/4633 (2013.01); H04L 63/0853 (2013.01); H04W 8/205 (2013.01); H04W 12/06 (2013.01); H04W 88/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of identifying a subscriber identity module (SIM) card from one or more communication apparatuses at a SIM directory server, comprising:
a. receiving a request from a wireless communication device;
b. selecting, based on SIM card availability information, a SIM card according to the request;
c. when the SIM card availability information is not determined in a database of the SIM directory server:
i. forwarding the request to the one or more communication apparatuses; and
ii. receiving one or more replies from the one or more communication apparatuses; and
d. sending a reply to the wireless communication device;
wherein the reply comprises one reply of the one or more replies corresponding to the request.