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METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR DETECTION OF AN UNAUTHORIZED SERVICE MESSAGE IN A NETWORK

  • US 20100105355A1
  • Filed: 10/19/2009
  • Published: 04/29/2010
  • Est. Priority Date: 10/17/2008
  • Status: Active Grant
First Claim
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1. A method for detecting an unauthorized service message in a communications network, the method comprising the steps of:

  • at a supplementary services network routing node, at least a portion of which is implemented in hardware;

    receiving a signaling message associated with a supplementary service (SS) message or a unstructured supplementary service data (USSD) message identifying a first network node as a node serving a sender of the SS or USSD message, the signaling message comprising identification information of the sender of the SS or USSD message and first identification information of the first network node;

    requesting, from a second network node, identification information identifying a network node serving the sender of the SS or USSD message; and

    comparing the first identification information with the second identification information in order to determine whether the SS or USSD message is authorized or not.

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