| 摘要 |
To realize a service infrastructure capable of being used as a platform for various services to be implemented through a network. In a service provision system, each of a service control server 23 and terminals 11 to 13 that receive a service includes a message generation unit that generates a message of a predetermined format, a message sending/receiving unit for sending/receiving the message using a SIP MESSAGE method, and a message recognition unit that recognizes the received message. The service control server 23 includes a message definition input/output unit that receives at least a command to be executed by the terminal and a message main body in which an access destination and text information are described. Respective control units of the terminals 11 to 13 execute processing in accordance with the message.
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