Patent ID: 8966562
Filing Date: 2015-02-24
Classification: H04L,H04M,H04N

Abstract:
1. A method for providing a video communication service having a selectable Quality of Service (QoS) in a portable terminal, the method comprising: sending a request for the high quality video communication service to a destination terminal using a Circuit Service Data (CSD) channel; receiving a reply message to the high quality video communication service request and, when the reply message is an acceptance of an execution of the high quality video communication service, providing the high quality video communication service using Packet Service Data (PSD) channel; and when the reply message is a rejection of an execution of the high quality video communication service, performing a video communication using the CSD channel, wherein sending the high quality video communication service request to the destination terminal further comprises: transmitting information of a terminal sending a high quality video communication service request, to a video communication server; and transmitting, by the video communication server, a high quality video communication service request message to the destination terminal, and wherein the information of the terminal sending the high quality video communication service request comprises at least one of a phone number, an Internet Protocol (IP), and information on an execution or non-execution of a QoS communication.