TIME SHIFT TV SERVICE ESTABLISHMENT METHOD AND TIME SHIFT TV MEDIA FUNCTION ENTITY

摘要

A time-shift TV (TsTV) service establishment method and a time-shift TV media function (TsTV MF) entity are configured to realize TsTV services in an IMS network. The method includes the following steps. The TsTV MF entity receives a media negotiation carrying content delivery channel information and content control channel information initiated by a terminal, establishes a transmission connection with the terminal according to the media negotiation result, receives a media playing request sent from the terminal through the transmission connection, and sends media information corresponding to the media playing request to the terminal through a content delivery channel established according to the content delivery channel information. A TsTV MF entity is also provided. Thus, the TsTV services are realized in an IMS network.