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Call streaming

Voximplant allows users to stream their calls and conferences to different streaming platforms.

To stream, you need to obtain two parameters from a streaming account: stream name/key and server URL. After that you need to set up streaming in your scenario.


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Stream to Youtube

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You need to obtain two parameters from a streaming account in order to use them in a Voximplant JS scenario: stream name/key and server URL. The steps below show how to retrieve these values from YouTube.

Log in to your google account, then click to your profile picture in the top right corner and choose YouTube Studio (beta).

Google account

If you do not have a YouTube channel, a special dialog appears. Click the Create channel button to be able to livestream within 24 hours.

Create a channel

Go to the YouTube Studio, choose Other featuresLive stream now in the left menu. This opens a window with credentials to use in your scenario.

Streaming credentials

Stream to Twitch

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Log in to your account, then click to your profile picture in the top right corner and choose Video Producer.

Twitch account

Switch to the Channel tab in the Settings block, then click Copy at the top of the page to get your Primary Stream Key. Note that the key is available only for accounts with enabled two-factor authentication. Use these credentials in your scenario.

To find the server url value, visit https://stream.twitch.tv/ingests/, choose one of the recommended endpoints and copy it without the last slash, for example: rtmp://live-sfo.twitch.tv/app.

Stream to Restream.io

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Log in to your account, then click Add channel on your dashboard, pick a streaming service to connect (e.g., Twitch) and grant access to it.

When at least one service is connected, your dashboard changes – there is a preview window along with a streaming settings block on the right side of the screen. Use these credentials in your scenario

Restream.io account

Pay attention to the dropdown to the left of URL where you can choose your location. It looks like a target icon by default, which means "autodetect". Change it if needed.

Process streaming in the scenario

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When you obtain the stream name/key and server URL from a streaming platform, you need to process streaming in the VoxEngine scenario.


  1. Create an application.
  2. Create a scenario.
  3. Create a routing rule and attach it to the scenario.
  4. Create a user to log in your client.

You need a working web or mobile application in order to make calls. Refer to the Basic call functionality to learn how to create it.

Scenario setup

In the scenario, require the StreamingAgent module and use the createStreamingAgent method to create a streaming object. Pass your streaming credentials to the object. Pay attention that RTMP supports only the H.264 codec, so it is crucial to specify it for streaming purposes.

Then use the sendMediaTo to send your call data to the stream.

Refer to the code example to understand how it works:

Streaming scenario example

Streaming scenario example