Patent ID: 9332583
Filing Date: 2016-05-03
CPC Classification: H04W

Claim Text:
1. 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 comprising: performing, by the device, the multipoint communication by connecting with a multipoint communication server and sending a request to the plurality of participant devices, the request instructing the plurality of participant devices to connect with the multipoint communication server; 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.