IPTV STREAM MEDIA SERVICE REALIZING METHOD IN IMS, NETWORK APPARATUS AND TERMINAL DEVICE

摘要

A method, network apparatus and terminal device for realizing IPTV stream media service in IMS are disclosed. The method for realizing IPTV stream media service includes: receiving IPTV stream media service switching request information, wherein IPTV stream media service switching request information is included in SIP signalling; determining the information on the program to be switched and the information carried on the switching target terminal device information according to the switching request information; establishing the connection to the switched target terminal device by use of SIP signalling, and sending IPTV media stream of the switched program to the switching target terminal device through the connection. The embodiments of the present invention realize the switching of IPTV media stream service.