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Stealth interception of calls within a VoIP network

  • US 20040165709A1
  • Filed: 02/24/2003
  • Published: 08/26/2004
  • Est. Priority Date: 02/24/2003
  • Status: Abandoned Application
First Claim
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1. A surveillance system, comprising:

  • A VoIP telephony device including all identification and a means to communicate with other VoIP telephony devices in a VoIP network, or a non-VoIP device using an access gateway. Packet interceptors for monitoring packet activity on the said VoIP network. Call Monitoring Engine equipped with a VoIP call Flow state machine, to be contacted by the Law Enforcement agencies via a secure channel. Voice Packet Receiver and Assembler that buffers and forwards voice data to the LEA over a secure channel.

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