Patent ID: 11963134
Assignee: LG ELECTRONICS INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A method for a wireless communication device to perform communication based on a plurality of Subscriber Identification Modules (SIMs),
transmitting a request message to a first network node of a second network,
wherein the request message includes first information and second information related to a plurality of SIMs,
wherein the wireless communication device is performing communication in a first network or monitoring paging in the first network, and
wherein the second information related to the plurality of SIMs is number information of a SIM related to the first network among the plurality of SIMs; and
receiving an accept message for the request message from the first network node of the second network;
wherein the first information and the second information related to the plurality of SIMs are used for the first network node of the second network to transmit a Short Message Service (SMS) message including a notification message to the wireless communication device, when downlink data for the wireless communication device exists in the second network.