Distributed Universal Number Discovery
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Distributed Universal Number Discovery (DUNDi) is a P2P protocol for providing services equivalent to those provided by ENUM. Allegedly, it is also easy to deploy in that there will likely not be a lot of political issues due to its lack of need for central control. Though DUNDi can be used to augment DNS, it is currently being developed with VOIP being the most immediate beneficiary. This will allow, for example, a number like 732 432 5432 to be mapped to either an IPv4 or IPv6 address.
VOIP providers will not need to use the PSTN to carry traffic between two VOIP customers. For example, a customer using Vonage could call a customer using FWD without ever needing a VOIP to PSTN gateway.
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