| 摘要 |
A security system including a multiple number of terminals and a delivering apparatus, the terminal including: an acquiring portion for acquiring information to be delivered; a reception portion for accepting a recipient selected from the plural terminals; and a controller which, when the reception portion accepts the recipient, transmits a session initiation request and recipient information representing the recipient to the delivering apparatus and which, when receiving session establishment information that indicates that a communication session has been established between the recipient and its terminal, transmits the information to be delivered that was acquired by the acquiring portion to the delivering apparatus, wherein the delivering apparatus includes: a manager which, when receiving the session initiation request and the recipient information, establishes a communication session between the sender of the session initiation request and the recipient and transmits session establishment information that indicates that a communication session between the sender and the recipient has been established, to the sender; and a delivering portion which, when receiving the information to be delivered from the sender, pushes and delivers the information to be delivered to the recipient.
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