Patent ID: 11871212
Assignee: PISMO LABS TECHNOLOGY LIMITED
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 10:
11. A system for subscriber identity module (SIM) card selection for a wireless communication device at a SIM card directory server, comprising:
at least one processing unit; and
at least one non-transitory computer-readable storage medium storing program instructions executable by the at least one processing unit and configured to cause the at least one processing unit to perform:
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.