| 摘要 |
A method of handling key sets includes determining a first key set and ciphering a communication channel between a mobile station communicating in a circuit-switched communication mode and a network using the first key set. The method further includes determining a second key set and responsive to triggering of a handover, sending, to the mobile station, of a security message. Responsive to the step of sending, ciphering the communication channel between the mobile station and the network using the second key set. This Abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.
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