Kt Corporation

Gyung-mo Kang

Ho-Young Reho Lee

Jun-won Kim

Ji-young Choi

Jong-hyun Lee

Jung-Hee Bang

Young-Lan Cho

In one example embodiment, a method performed by a server may include: receiving user videos from a plurality of devices; generating conference video data that includes at least one portion of the user videos; assigning a first portion of the at least one portion a first security attribute for a first device that has a first security level; generating first security data corresponding to the first security attribute; streaming, to the first device, the conference video data with the first security data; and streaming, to a second device having a second security level higher than the first security level, the conference video data without the first security data.

Video conference data generation

In one example embodiment, a method performed under control of a server includes: receiving a user video from a transmitting device; generating conference video data that includes at least one portion of the user video; assigning, in accordance with a security level of a receiving device, a first portion of the conference video data a first security attribute; generating first security data corresponding to the first security attribute; and streaming, to the receiving device, the conference video data that includes the at least one portion of the user video and the first security data.

An apparatus and method of integrated billing management by real-time session management, and a computer readable medium thereof are provided. The integrated billing management apparatus performs billing management functions, that is, analyzes various messages related to the billing service request, manages sessions in real time, processes reliable billing information data and generates formulaic billing information. Then, the integrated billing management apparatus transmits the result of processing the billing service to the user terminal through the network access device. Therefore, the customer discontents can be responded in real time and customized billing management service based on the amount of service used can be provided form all wired and wireless network services.

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Seoul, South Korea

Gyung-mo Kang