| 摘要 |
To provide a service customized for each user and for each application, when user host terminal H 1 communicates with user host terminal H 2 using VoIP, the terminal H 1 transmits a service initiation message to service execution units SN 1 and SN 2 . By this message, the service execution unit SN 1 and SN 2 require service information L-SPC (A) and service information G-SPC (A), both information regards to VoIP service of the term H 1 , to authentication server A 1 respectively. The service execution unit SN 1 and SN 2 execute a service based on L-SPC (A) and G-SPC (A) respectively. Doing this, service execution unit may provide a service customized for each user and for each application.
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