The XML Dialplan is at the heart of a FreeSWITCH installation. For many old hands of telecommunication, coming from a different background, it can be confusing, and almost intimidating. Truth is: is very simple and logical. You just need to look at it with fresh eyes.
Let's dispel myths:
- XML is not difficult at all, it reads exactly like a plain text configuration file
- It does not need any kind of special editor: Notepad, Vim, Emacs, Nano, anything, will do
- It is not esoteric: it is text logically structured
In this chapter we will not even talk about XML in itself, because there is no need to.
Instead, we'll delve into the dialplan structure: depending on its characteristics, an incoming call will land to a specific "context" in dialplan. Contexts are like completely separated "jail" (in the BSD or chroot meaning of the word), they...