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Transparent session initiated protocol

  • US 20050283832A1
  • Filed: 07/28/2004
  • Published: 12/22/2005
  • Est. Priority Date: 06/22/2004
  • Status: Active Grant
First Claim
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1. A method for use by a user device for performing functions of a session initiated protocol (SIP) proxy agent, comprising:

  • providing at least one user agent and proxy agent in the user device, incorporating an address of an SIP proxy server and an internal domain in said proxy agent said user agent;

    requesting invitation of a session;

    said proxy agent;

    determining whether the request for invitation is to be handled within the network of the operator'"'"'s domain or outside of the operator'"'"'s domain; and

    determining a SIP server network outside of the operator'"'"'s domain.

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