| 摘要 |
Disclosed is a ring back tone service server. The server comprises: a call history collecting unit for collecting information on a call time and a call position of a particular user; a life style pattern estimating unit for estimating a life style pattern of the particular user based on the collected information; and a ring back tone providing unit for providing a ring back tone corresponding to the estimated life style pattern of the particular user to a transmitter when a call is received by the particular user. |
