Patent ID: 7710916
Filing Date: 2010-05-04
Classification: H04L,H04W

Abstract:
1. A method of establishing a connection between a first mobile station (MS) and a second MS in a mobile communication system, the method comprising: transmitting to at least one base station (BS) a service message which includes information of at least one service type supported by the first MS and the second MS, wherein the at least one service type relates to a multimedia service supported by each of the first MS and the second MS; transmitting a request message which includes information of at least one service type selected by the first MS; receiving a response message which includes information of the selected service type which is supported by both the first MS and the second MS; transmitting a connection complete message between the first MS and the second MS for communication using the selected service type; and transmitting a change service message to the second MS to request communication using a different service type during a connected state in which the first MS and the second MS are connected.