General Dialplan concepts
In general, a Dialplan helps generate a list of actions to take so that a caller can reach the person or people they want to talk to. A Dialplan module implements the decision-making process that powers this. While a Dialplan module is free to implement any concept it wants for organizing how calls are routed, three concepts, in particular, are generally used when processing a call. These three concepts can be broken down by asking the same three questions for every call:
- Contexts: Where do we look for a general list of destinations (or features) that the current caller is allowed to reach?
- Conditions: Whom, specifically, is the caller trying to reach?
- Actions: What actions need to be taken to reach that party?
These three ...
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