| 摘要 |
According to the present invention, a service operator can immediately transfer an ongoing session to another network, accordingly it is capable of dealing with cases that a network is required to be temporarily stopped due to repairing/checking for the network, it is required to perform a network load balancing, it is required to more effectively perform the ongoing session, and the policy of the service operator is changed. And, according to the present invention, when the ongoing session is required to be transferred later even though it is not required to be immediately transferred, or session continuity operator policy is changed, it is capable of sending the session continuity operator policy to the terminal and then allowing the terminal to transfer the ongoing session to another network according to determination by itself. |
