US 12,207,353 B2
Methods and systems of using remote subscriber identification modules at a device
Uzair Ahmed Chughtai, Kowloon (HK); Man Kit Kwan, Kowloon (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. 21, 2024, as Appl. No. 18/583,651.
Application 18/583,651 is a continuation of application No. 17/900,068, filed on Aug. 31, 2022, granted, now 11,950,321.
Application 17/900,068 is a continuation in part of application No. 17/039,638, filed on Sep. 30, 2020, granted, now 11,438,758, issued on Sep. 6, 2022.
Application 17/039,638 is a continuation of application No. 16/034,740, filed on Jul. 13, 2018, granted, now 10,841,788, issued on Nov. 17, 2020.
Application 16/034,740 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 2024/0196192 A1, Jun. 13, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. H04W 8/18 (2009.01); H04L 9/40 (2022.01); H04L 12/14 (2006.01); H04L 12/46 (2006.01); H04W 8/20 (2009.01); H04W 12/06 (2021.01); 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 for communicating between a wireless communication module and a subscriber identity module (SIM) bank at a cellular router, comprising:
(a) when receiving a request from the wireless communication module:
(i) keep sending a message to the wireless communication module for each first time interval upon reaching a first time threshold;
(ii) modifying the request to a modified request; and
(iii) keep sending a modified request to the SIM bank for each second time interval upon reaching a second time threshold;
(b) when receiving a modified reply from the SIM bank:
(i) stop sending the modified request;
(ii) extracting the SIM card information from the modified reply; and
(iii) sending the SIM card information to the wireless communication module;
wherein the message is sent to keep the wireless communication module waiting for the SIM card information for a period of time.