| 摘要 |
A method, apparatus, and system for discovering devices on a local area network. The method comprises sending a DNS request from a host networking element, receiving the DNS request at one or more devices, and responding to the host networking element with one or more DNS responses. The DNS request comprises one or more particular domain names. The one or more DNS responses comprise local network address information for the one or more VoIP devices. The apparatus comprises means for filtering a set of network traffic for a DNS request, means for responding to a DNS request with a local network address, and means for forwarding the DNS request to another device. The system comprises a computer for generating a DNS request for a particular domain, and one or more VoIP devices for receiving the DNS request and sending a DNS response to the computer with a local network address for the VoIP device.
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