| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of media repair in an Internet Protocol Multimedia Subsystem (IMS) based network.SOLUTION: The method includes: performing communication by using an SIP (a Session Initiation Protocol) to setup a download session with a Broadcast-Multicast Service Center (BMSC) over an MBMS bearer; responding to determination that one or more encoding symbols of media downloaded by using the established MBMS bearer cannot be decoded: requesting a file repair procedure from the IMS network component by using a SIP re-invite request; responding to receiving a SIP acknowledgement, requesting an HTTP connection with the HTTP server to re-download the one or more encoding symbols of the media that could not be decoded; and receiving the one or more encoding symbols from the HTTP server.SELECTED DRAWING: Figure 4 |
