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Dial Plans

Dial plans control how the RealPresence DMA system’s call server uses dial strings to determine where to route calls. You can associate different dial plans for individual call services such as H.323, SIP, or WebRTC. You can also associate specific dial plans to calls received from guest ports.

This flexibility allows you to assign different dial plans to separate SIP servers, neighbored gatekeepers, or session border controllers within your video conferencing environment.

The system comes with two dial plans out-of-the-box: a default dial plan and a guest dial plan. The Default Dial Plan provides the most commonly needed address resolution processing and is used for authorized calls. The Guest Dial Plan is used for unauthorized “guest” calls and contains no dial rules. The Guest Dial Plan blocks all guest calls unless you add dial rules to it to allow unauthorized calls.

You can add additional dial plans as needed. You can also add, edit, remove, and change the order of the dial rules that are included in the default dial plan. Dial strings may match multiple dial rules, but the rules have a priority order. When the RealPresence DMA system receives a call request and associated dial string, it applies the first matched (highest priority) dial rule within the associated dial plan.

You can test a dial plan using the Test Dial Plan action. You can specify various caller parameters and a dial string, and see how the selected dial rules handle such a call. See Default Dial Plan  and Suggestions for Modifying the Default Dial Plan .

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