Patent ID: 9313081
Filing Date: 2016-04-12
CPC Classification: H04L,H04M

Claim Text:
1. A method for coordinating data transfer between VoIP communication terminals, the method comprising: arranging, by a telecommunication service, a VoIP session for a voice communication between a first communication terminal and a second communication terminal; receiving, by the telecommunication service, a data transfer request from at least one of the first and second communication terminals during the VoIP session; and coordinating, by the telecommunication service, to establish a data session for a data transfer between the first and second communication terminals, wherein coordinating uses at least part of information used in coordinating the VoIP session, and converting, by the telecommunication service, a format of the data in view of characteristics of the at least one of the first and second communication terminals, wherein the data session is established by a contents share server which determines location information of data to be shared between the first and second communication terminals and determines a sharing method which is selected from among a uni-casting method and a multi-casting method according to a contents file type, wherein the contents file type corresponds to at least one contents type from among general documents, web pages, web catalogs, characters, chat messages, image files, motion pictures, and media files, wherein the VOIP session is set using a session description protocol (SDP) and the voice communication is performed by real-time transport protocol (RTP), wherein traffic control of contents sharing between callers is performed with reference to contents share server so that terminal-to-terminal quality of service is provided, and wherein the at least part of information used in coordinating the VoIP session comprises at least one from among a uniform resource identifier (URI), an IP address, and a subscriber profile.