METHOD AND APPARATUS SUPPORTING IP MULTIMEDIA SUBSYSTEM

摘要

An electronic device according to an embodiment of the present invention includes: a connection network; a modem for being supplied with a communication service through multiple IMS networks including at least a first MIS network and a second IMS network; and a communication control module capable of being realized as a processor, wherein the communication module connects to the connection network based on a first identification information corresponding to the connection network by using the modem; registers the electronic device to the first IMS network based on a second identification information corresponding to the first IMS network via the connection network; and registers the electronic device to the second IMS network based on a third identification information corresponding to the second IMS network via the connection network. Other embodiments are also possible.