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Evo Voice has a rich File System that is tightly connected to the Flow system and the Data system to allow for some powerful functionality.

In traditional PBX systems, audio is commonly stored in a proprietary file system that is not exposed directly to the end user. Evo Voice not only exposes these Files directly to the user, but also allows for powerful combinations within flows.

Managing Files

Files are managed in the System section of Voice under the Files tab


You can upload a file directly from your PC by using the Upload button. You can also record audio directly from your PC using the Record button (for example if you want to record a voicemail greeting).

While the most common scenario is to upload audio files for use in voicemail greetings, etc. the File system is also used for storing recordings (e.g. in a Voicemail scenario)

It is important to note that these files are stored either in the Azure cloud or the Twilio cloud (depending on the type of file) and that there are no practical limits to the number of files you can store in the File System.

Renaming Files

If you want to rename a file, you can use the Pencil icon next to the File's name

Using Files in a Flow (example)

Using files in a Flow is very straightforward. As a quick example, let's create a Flow which simply plays an audio file back to the caller.

First, go ahead and upload an audio file from your PC (or use the Record button to create your own with your PC microphone)

Now, go into the Flows section of Voice and click to create a new Flow. Name it "Play Audio File".

Add a Play node (under the Audio section in the toolbox) to the Flow and connect it to the Start node.


In the Properties pane, go ahead and pick which Audio File you want to play, for example:


Save this flow and assign it to one of your Incoming Phone Numbers and then call in. You should hear the audio file played back to you.