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Method and apparatus for securely transmitting lawfully intercepted VOIP data

  • US 9,456,009 B2
  • Filed: 08/03/2007
  • Issued: 09/27/2016
  • Est. Priority Date: 08/03/2007
  • Status: Active Grant
First Claim
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1. A method for transmitting intercepted VOIP data, the method comprising:

  • receiving a plurality of requests to intercept distinct VOIP calls from a plurality of law enforcement agencies;

    placing the plurality of requests for intercept in a queue;

    assigning a priority to one or more of the plurality of requests for intercept in the queue based on a priority assigned to one of the requesting law enforcement agencies with respect to another of the requesting law enforcement agencies to determine a position of one or more requests for intercept in the queue;

    intercepting a VOIP call corresponding to a highest priority request for intercept of the plurality of requests for intercept in the queue;

    encrypting VOIP data associated with the intercepted VOIP call by using one of a virtual private network, an encryption using a key of a specific key length, bit stuffing, and an encryption specific to the law enforcement agency to form encrypted VOIP data; and

    transmitting the encrypted VOIP data to the law enforcement agency over a virtual private network established over the internet between a transmitting component and the law enforcement agency.

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