| 摘要 |
There are provided a server apparatus capable of transmitting any message in a flexible manner at various timings of communication service states, and a message transmission method thereof. When a communication trigger detector 103 of an IMS 100 detects a trigger point, a determination portion 104 determines a massage to be transmitted based upon at least one of a type of the communication service state, a transmission destination of the message, presence information, and an instruction input. A message transmitter 105 give an instruction to an information storage device 300 to transmit the message to be transmitted that has been determined, and the information storage device 300 transmits the message to the transmission destination.
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