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Session initiation protocol trunk gateway apparatus

  • US 20080080487A1
  • Filed: 09/18/2007
  • Published: 04/03/2008
  • Est. Priority Date: 09/29/2006
  • Status: Abandoned Application
First Claim
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1. A session initiation protocol trunk gateway apparatus which accommodates a plurality of session initiation protocol terminals each including communication functions defined with one another by session initiation protocols, and allows connecting a session initiation protocol network, comprising:

  • a register which registers each connection ID of the plurality of session initiation protocol terminals in a registration server on the session initiation protocol network at prescribed registration periods;

    a connector which connects among the plurality of session initiation protocol terminals and the session initiation protocol network, to make communications among the plurality of session initiation protocols registered by the register and the session initiation protocol network; and

    a controller which divides the registration period into a plurality of distribution intervals in response to the number of the connection IDs, and executes registration processing of the next second connection ID with an interval by the distribution interval from registration start of a first connection ID among the plurality of connection IDs in registering the plurality of connection IDs in the registration server.

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