Patent ID: 8150975

Claim:
A method for establishing an interactive media session based on an IP Multimedia Subsystem (IMS) network, comprising: receiving, by a media control entity in the IMS network, an interactive service request initiated by a terminal, wherein the interactive service request carries a first address port for an RTSP connection and a first address port for an RTP connection; controlling, by the media control entity, a media carrier entity in the IMS network to negotiate a second address port for the RTSP connection and a second address port for the RTP connection to communicate with the terminal; and establishing another RTSP connection for interactive control based on the first address port for the RTSP connection and the second address port for the RTSP connection between the terminal and the media carrier entity, and establishing another RTP connection for media stream delivery based on the first address port for the RTP connection and the second address port for the RTP connection between the terminal and the media carrier entity.