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Method and system for registering a presence user with a presence service

  • US 8,452,959 B2
  • Filed: 11/16/2009
  • Issued: 05/28/2013
  • Est. Priority Date: 02/24/2009
  • Status: Active Grant
First Claim
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1. A method of registering a wireless communications device with a presence system, the method comprising:

  • negotiating a key with a registrar in order to establish an encrypted communications channel between the wireless communications device and the registrar via a proxy node;

    transmitting a token request over the encrypted communications channel from the wireless communications device to the registrar, the token request including an e-mail address associated with the wireless communications device;

    receiving at the wireless communications device (i) a token response from the registrar via the encrypted communications channel and (ii) an e-mail token from the registrar via a separate email channel using the e-mail address included in the token request, wherein the token response includes first security information and the e-mail token includes second security information;

    transmitting an authentication message from the wireless communication device to the registrar via the encrypted communications channel, the authentication message including a combination of the first and second security information;

    receiving at the wireless communication device via the encrypted communications channel an authentication acknowledgement from the registrar containing a universally unique identifier; and

    using the universally unique identifier for subsequently exchanging presence data between the wireless communications device and the presence system.

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