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METHOD AND APPARATUS FOR DETECTING DEVICES ON A LOCAL AREA NETWORK

  • US 20110188407A1
  • Filed: 02/03/2010
  • Published: 08/04/2011
  • Est. Priority Date: 02/03/2010
  • Status: Active Grant
First Claim
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1. A method for discovering Voice-over Internet Protocol (VoIP) devices on a network using domain name service (DNS) requests, the method comprising:

  • sending a DNS request from a host networking element, the DNS request comprising one or more particular domain names corresponding to a VoIP system;

    receiving the DNS request at one or more VoIP devices; and

    responding to the host networking element with one or more DNS responses, wherein the one or more DNS responses comprise local network address information for the one or more VoIP devices.

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