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Elastix Unified Communications Server Cookbook by Gerardo Barajas Puente

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Enabling multisites with Elastix

Another way to unify sites is by using Distributed Universal Number Discovery (DUNDI). DUNDi is a peer-to-peer routing protocol that helps us share information about the extensions, dialplans, services, contexts, and other resources across a neighborhood of VoIP servers with each other. It uses the RSA encryption standard to communicate between peers, and it runs on port 4520/UDP and the ENUM standard. With DUNDI, we can do the following:

  • Create a directory of local extensions and PSTN numbers that will be available to all peers.
  • Search within this directory for a number to see if it is available locally or remotely in another server until it is found.
  • If we make a change in one peer's dialplan, we do not need to ...

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