Complex applications made simple

FreeSWITCH removes much of the complexity of more advanced applications. Let's look at two examples of a more complex application.

Voicemail

The first application we will discuss is the voicemail application. The general purpose of this application is probably pretty easy to deduce. It provides voicemail service. This application is useful to add right after the bridge application as a second option, in case the call was not completed. We can do this with a careful combination of application choices, and one of those fancy ''special'' variables that we were discussing earlier. Let's look at a new version of our last extension that also allows us to leave a voicemail:

<extension name="example 4"> <condition field="destination_number" ...

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