Invention Grant
US08396972B2 Session control apparatus, software applied to session control apparatus, communication control method, and network system
有权
会话控制装置，应用于会话控制装置的软件，通信控制方法和网络系统
- Patent Title: Session control apparatus, software applied to session control apparatus, communication control method, and network system
- Patent Title (中): 会话控制装置，应用于会话控制装置的软件，通信控制方法和网络系统
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Application No.: US12929002Application Date: 2010-12-22
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Publication No.: US08396972B2Publication Date: 2013-03-12
- Inventor: Kazuma Yumoto , Satoshi Kiyoto , Hitomi Nakamura
- Applicant: Kazuma Yumoto , Satoshi Kiyoto , Hitomi Nakamura
- Applicant Address: JP Tokyo
- Assignee: Hitachi, Ltd.
- Current Assignee: Hitachi, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Stites & Harbison, PLLC
- Agent Juan Carlos A. Marquez, Esq; Nicholas B. Trenkle
- Priority: JP2003-186102 20030630
- Main IPC: G06F15/16
- IPC: G06F15/16 ; G06F15/173
Abstract:
A network system includes a session control server and a presence server. The session control server includes a presence information update unit that is started when the status changes and notifies the presence server of the changed status. The presence server includes a presence information control unit that controls the consistency of the notified update information.
Public/Granted literature
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