Method and System for Providing Subscription Information about Video Telephony Service, Mobile Communication Terminal Therefor

摘要

The present invention provides methods of video calling service subscription information from the mobile network, systems, and mobile devices to do this relates to. ; to this, when the present invention is a method for providing a video service subscription information of the called terminal to the caller terminal video call possible, a) receiving a voice call request from the calling terminal, the called Check the video call service, and subscription information of the terminal requesting the voice call setup to the called terminal; b) receiving a message indicating that the called party putting alert call state from the called terminal; And c) including a video call service subscription information of the called terminal to the calling party putting alert message includes the step of providing to the calling terminal. ; According to the present invention, for requesting a voice call to the receiver terminal by providing information about the availability of the video call, the called terminal to the calling terminal, the user of the calling terminal is effective to be able to know the availability of the video call, the destination terminal and the destination terminal easily prior to a call.