Method for telecasting video frequency color ring

This invention relates to a method for playing video coloring ring back tone (CRBT), which contains the calling terminal sending called terminal request to called terminal exchanger which sending the idle state information of called terminal to calling terminal exchanger, at same time the calling terminal exchanger sending back ring signaling to calling terminal, when said called terminal configured video coloring ring back tone service the calling terminal exchanger sending play request to video coloring ring back tone platform which playing coloring ring back tone to calling terminal according to obtained called terminal signed contract information. Said invention has advantages of saving relay resource and reasonable network structure.