Patent ID: 8825027

Claim:
A first server for providing simultaneous multimedia services to at least one User Equipment (UE) on a session-by-session basis through a Session Initiation Protocol (SIP) core network, comprising: a data transceiver for transmitting multimedia service data to and receiving multimedia service data from the at least one UE, and for receiving a simultaneous multi-service request message for requesting media streams of an identical media type in multiple sessions, the media streams of the identical media type being provided simultaneously in each of the multiple sessions, wherein the simultaneous multi-service request message includes filtering-information which includes information identifying at least one media type and session to be filtered by the first server; a Participating Push-To-Talk Over Cellular Function (PF) composer for transferring the media streams of the identical media type in multiple sessions to a simultaneous session controller; and the simultaneous session controller for identifying the simultaneous multi-service request message received from the at least one UE, and determining whether to provide the at least one media type and session according to the filtering-information in the simultaneous multi-service request message.