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Establishing an IP session between a host using SIP and a device without an IP address

  • US 20030217174A1
  • Filed: 05/15/2002
  • Published: 11/20/2003
  • Est. Priority Date: 05/15/2002
  • Status: Active Grant
First Claim
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1. A method of initiating an Internet Protocol (IP) session between a host using a session initiation protocol and a device without an IP address, the method including the steps of:

  • receiving, via an IP connection, a session request that includes a host contact that corresponds to the host and a device identifier that corresponds to the device;

    parsing the session request to determine said device identifier;

    preparing a message for the device that includes said session request; and

    forwarding said message to the device via a non-IP connection, said message resulting in the device obtaining a device IP address and sending an acknowledgment of the session request that includes said device IP address.

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