Patent ID: 11902889
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. A wireless communication device comprising:
first and second subscriber identity modules (SIMs) configured to utilized to access a packet switched (PS) network including an Internet packet data network and an Internet Protocol multimedia subsystem (IMS) packet data network; and
a processor configured to,
determine to utilize the first SIM to access the PS network based on a preference of a user,
check at least one of whether a first operator corresponding to the first SIM supports a circuit switched (CS) network for performing first type call and whether a second operator corresponding to the second SIM supports the CS network; and
determine whether to utilize the first SIM to access the IMS packet data network for second type call based on check result.