METHOD, TERMINAL AND SYSTEM FOR PROVIDING A MULTIPLE SESSION POC MULTIMEDIA SERVICE SIMULTANEOUSLY

摘要

PURPOSE: A method for simultaneously providing a multiple PoC(PTT over Cellular) multimedia service by session, a terminal, and a system thereof are provided to secure a simultaneous multiple receiving service for a multimedia stream by session or media type through a media parameter negotiation procedure. CONSTITUTION: A data transmission unit(420) transmits multimedia service data. The data transmission unit receives multimedia service data from a terminal. The data transmission unit receives a simultaneous multiple service request message including filtering information. A PF(PoC Function) composer(440) transmits the media data received through multiple sessions to a multiple session control unit(430). The multiple session control unit confirms the simultaneous multiple service request message received from the terminal. The multiple session control unit determines whether or not to provide one or more simultaneous multiple services which are the identical type by session. [Reference numerals] (100) PoC terminal; (102) PoC client; (150) Poc server; (400) Display part; (402) Control part; (404) User interface; (410,420) Data transmission part; (430) Multiple session control part; (440) Participating PoC Function Composer; (AA,BB) Transfer protocol stack