CPC H04W 76/15 (2018.02) [H04W 76/30 (2018.02)] | 20 Claims |
1. An electronic device comprising:
a first communication circuit configured to support first cellular communication;
a second communication circuit configured to support second cellular communication; and
a processor,
wherein the processor is configured to:
control the second communication circuit such that the second cellular communication connection is performed and/or maintained in response to reception and/or transmission of a call connection request message while being connected to a network,
determine, in response to termination of the call connection, whether to release the second cellular communication based on whether at least one condition including a condition related to whether a system information block receivable via the second cellular communication is received is satisfied, and
perform the first cellular communication connection based on information for the first cellular communication connection included in the system information block.
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