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Authentication of mobile communication devices using mobile networks, SIP and Parlay

  • US 20050132075A1
  • Filed: 12/15/2003
  • Published: 06/16/2005
  • Est. Priority Date: 12/15/2003
  • Status: Abandoned Application
First Claim
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1. A method of authenticating a mobile communication device comprising:

  • forming a Session Initiation Protocol referred by token using authentication data provided by a mobile service provider over a mobile communications link;

    sending the token to a Session Initiation Protocol server via a wireless network, wherein the Session Initiation Protocol server sends a request for validation, built using the token, to the mobile service provider using Parlay; and

    receiving a reply from the Session Initiation Protocol server over the wireless network, wherein the reply indicates whether the request for validation from the Session Initiation Protocol server was confirmed.

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