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ACCESS NETWORK NODE AND METHOD FOR ACCESS NETWORK NODE

  • US 20090304009A1
  • Filed: 06/04/2008
  • Published: 12/10/2009
  • Est. Priority Date: 06/04/2008
  • Status: Active Grant
First Claim
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1. A method for an access network node to provide a user device access to a service enabled by an IMS network, comprising the steps of:

  • setting up an IP tunnel for communication with the user device,sending an authentication request to the user device via the IP tunnel,receiving a response to the authentication request from the user device via the IP tunnel,authenticating the user device for communication with the access network node based on the response,sending a registration request comprising an IP Multimedia Public Identity associated with the user device to an IMS network node for registration of the user device in the IMS network,receiving a confirmation message from the IMS network node that the user device is authenticated for the service,sending an authorization confirmation message via the IP tunnel to the user device that the user device is authorized for the service,receiving a service request via the IP tunnel from the user device to start the service,sending a service session initiation message to an application server associated with the service to start a service session between the user device and the application server.

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