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VoIP Planet: VoIPowering Your Office with Asterisk: Getting Free Long Distance, Part 2

Jun 07, 2006, 07:45 (0 Talkback[s])
(Other stories by Carla Schroder)

"Last week we learned how to use FreeWorldDialup to connect to other VoIP users. Today we'll set up distributed Asterisk peering with the DUNDi (Distributed Universal Number Discovery) protocol. DUNDi is a peer-to-peer system for finding Internet gateways to telephony services. It operates like a blend of DNS and routing, only there is no central authority analogous to the root DNS servers. All participants publish their own authoritative routing information and share it with authorized peers. When Server A wants to know how to connect to Server B, it asks around until it receives an answer. Then it stores the information so that it can also respond to requests. You have complete control over what information and resources you choose to share—it's not a wide-open free-for-all..."

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