Patent ID: 7805519
Filing Date: 2010-09-28
Classification: G06T,H04N

Abstract:
1. A method for scaling a display size between different types of user agents by using a session initiation protocol, the method comprising: exchanging session initiation protocol messages, including media information when performing a call setup for setting up a media session, between the user agents; determining one of the user agents to scale the display size, in response to the exchanged media information; scaling, by the determined user agent, the display size on the basis of the media information, and sending video data subject to the scaling to the other user agent; the media information includes at least one of a type of media intended for communication, a display standard of the user agent sending the media information, and performance of a central processing, unit of the user agent sending the media information, the step of determining one of the user agents to scale the display size includes: