***

id: ac6af178-0fd6-4e1a-962c-07f27295d435
title: Play Audio or TTS
description: Call Flow Builder node to play audio or TTS to the caller.
slug: /reference/play-audio-or-tts
max-toc-depth: 3
----------------

This node allows you to play an audio file, play silence, play a ringtone, or play text-to-speech.

## **Node Settings**

<ParamField path="Text to Speech" type="object" toc={true}>
  Text to Speech node options. See [Text to Speech Settings](#text-to-speech-settings).
</ParamField>

<ParamField path="Play Audio File" type="object" toc={true}>
  Play Audio file node options. See [Play Audio File Settings](#play-audio-file-settings).
</ParamField>

### Text to Speech Settings

Node options for Text to Speech.

<ParamField path="Language" type="string" toc={true}>
  The language to use for the text-to-speech.
</ParamField>

<ParamField path="Gender" type="string" toc={true}>
  The gender of the voice to use for the text-to-speech.
</ParamField>

<ParamField path="Voice" type="string" toc={true}>
  The voice to use for the text-to-speech. <br /><br />Please note that any voices that show (premium) next to the name will be billed at the [Premium TTS rate](https://signalwire.com/pricing/voice).
</ParamField>

<ParamField path="Text" type="string" toc={true}>
  The text to convert to speech. [SSML](https://cloud.google.com/text-to-speech/docs/ssml) can be used to customize the speech. The text can also include [variables](/docs/call-flow-builder/reference/set-variables) to be replaced with the variable value.<br /><br />**SSML Example:** `<speak>Here is a <say-as interpret-as="characters">SSML</say-as> example</speak>`<br /><br />**Variables Example:** `Hello, you got a call from %{call.from}`
</ParamField>

### Play Audio File Settings

Node options for Play Audio File.

<ParamField path="Audio File" type="string" toc={true}>
  A URL of a audio file to play.<br />Additionally a [ringtone](/docs/server-sdk/node/reference/voice/types#ringtonename) or silence can be played over the call.<br /><br />**Ringtone Format:** `silence:<time in seconds>` (ex: `silence:5`)<br />**Silence Format:** `ring:<time in seconds><ringtone code>` (ex: `ring:5:jp`)
</ParamField>

## Example

<Frame caption="Text to Speech node example with variable" ogImage>
  ![Text to Speech node example with variable.](https://files.buildwithfern.com/signalwire.docs.buildwithfern.com/docs/42a43bbc994615e0e80f4850675f4ce9319d2f7dcb91efb6af340a3b316f35a3/assets/images/call-flow/nodes/tts.webp)
</Frame>