Patent ID: 8442039

Claim:
A method for multimedia session transfer by a server, comprising: receiving, by the server, a session transfer request sent by a User Equipment (UE), wherein the session transfer request carries a static Session Transfer Identifier (STI); determining, by the server, that the UE requests to transfer an active Circuit Switched (CS) session according to the static STI, executing a procedure for transferring the active CS session according to the session transfer request, and judging whether the UE has a held CS session; if judged by the server that the UE has a held CS session, sending a dynamic STI allocated to the held CS session to the UE; and receiving, by the server, another session transfer request sent by the UE, wherein the other session transfer request carries the dynamic STI sent by server to the UE in response to the judging by the server, and executing a procedure for transferring the held CS session according to the other session transfer request.