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Presence server, session control server, and packet relay system

  • US 20050216595A1
  • Filed: 02/04/2005
  • Published: 09/29/2005
  • Est. Priority Date: 03/29/2004
  • Status: Active Grant
First Claim
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1. A presence server that can be connected to a session control server for communication control between plural terminals and manages the status information of the plural terminals, comprising:

  • a line interface;

    a controller that extracts the terminal type information of an originator terminal of a packet received via the line interface from the head information of the received packet; and

    a storage that storing the extracted terminal type information and session status information between a partner terminal that communicates with the originator terminal and the originator terminal in a state in which their information is related, wherein;

    the line interface transmits the terminal type information of the originator terminal to the partner terminal.

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