Patent ID: 9485331
Filing Date: 2016-11-01
CPC Classification: H04L,H04N

Claim Text:
1. A program switching method, wherein the method comprises: receiving, by a program selection device, a playback instruction for playing back; sending, by the program selection device, the playback instruction to a media server; receiving, by the program selection device, a notification message sent by the media server, wherein the notification message carries information indicating that a time-shifted program is played back to a border of the time-shifted program; obtaining, by the program selection device, a content identifier of a target program directly according to the information carried in the notification message; and sending, by the program selection device to the media server, a trigger message for triggering the media server to transmit data, wherein the trigger message carries the content identifier of the target program, so that the media server transmits the target program to a terminal device according to the content identifier; wherein the program selection device is a back-end management device, and wherein sending the trigger message for triggering the media server to transmit data further comprises: returning a response message to the media server, wherein the response message carries the content identifier of the target program.