| 摘要 |
In a control station device, paths for performing communication of a plurality of flows via a transfer path of a first access network are set with a mobile station device. When the control station device receives, from the mobile station device, a position register request for performing communication via a transfer path of a second access network, in response to the position register request, in the case where it has been judged that communication requested includes a flow that inhibits switching of the transfer path, the control station device continues the communication with the mobile station device by the first access network. Thus, the control station device and the like are provided which perform handover control so that communication is performed on the communication path via one access network for a connection including a specific flow (for example, emergency call) according to the policy of a provider, and at the same time, communication can be performed via the other access network without restricting the communication for a connection not including the specific flow.
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