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Network service access control

  • US 10,334,440 B2
  • Filed: 05/30/2018
  • Issued: 06/25/2019
  • Est. Priority Date: 01/19/2016
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising, under control of a processor:

  • receiving, from a first party associated with a first communication session, a first service message including information of a first session attribute and associated with first identification information of the first party of the first communication session, the first identification information comprising an identifier of an access network connected to a terminal associated with the first party;

    retrieving, from an authorization registry, first authorization information corresponding to the first identification information, the first authorization information indicating the first party lacks permission to utilize the first session attribute when the terminal associated with the first party is connected to the access network;

    in response to the first authorization information indicating the first session attribute is not permitted;

    determining a second session attribute different from the first session attribute based at least in part on downgrade information associated with the first session attribute;

    determining a first status message based at least in part on the first service message, the first status message comprising information of the second session attribute; and

    transmitting the first status message via a communications interface to a second party of the communication session;

    receiving, from a third party associated with a second communication session, a second service message including information of a third session attribute and associated with second identification information of the third party of the second communication session, the third session attribute comprising a media capability of a terminal associated with the third party;

    retrieving, from the authorization registry, second authorization information corresponding to the second identification information;

    in response to the second authorization information indicating the third party is not permitted to use the media capability;

    determining a second status message comprising a service-failure message based at least in part on the second service message, the service-failure message comprising an indication that the third party is disallowed from utilizing the media capability; and

    transmitting the second status message via the communications interface to the third party.

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