According to an embodiment, an electronic device comprises: a first communication circuit; a second communication circuit; and at least one processor configured to be operatively connected to the first communication circuit and the second communication circuit, wherein the at least one processor is configured to: establish communication with a second electronic device through the second communication circuit, receive an IP multimedia subsystem (IMS)-based message from a first communication network through the first communication circuit, detect at least a portion corresponding to content of the IMS-based message by decoding the IMS-based message, and transmit at least the portion corresponding to the content of the IMS-based message to the second electronic device through the second communication circuit.