Samsung Sds Co., Ltd.

Yun Kyoung Moon

Hee Tae Yoon

Young Kwang Kim

Shin Woo Lee

Seong Hun Shin

There is provided a method of switching from multipoint communication to point-to-point communication while a device performs the multipoint communication with a plurality of participant devices. The method comprises: sharing, by the device, peer-to-peer (P2P) connection information of the device and P2P connection information of each of the plurality of participant devices, with the plurality of participant devices; and switching by the device, from the multipoint communication to the point-to-point communication using the P2P connection information of remaining participant devices of the plurality of participant devices in the multipoint communication when a total number of the remaining participant devices of the multipoint communication decreases to two.

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Seoul, South Korea

Yun Kyoung Moon