You can use NewTek NDI® (Network Device Interface) protocol to connect Microsoft Teams to the Webcast solution via local intranet.

Specifically, your Webcast stream can be directly broadcast to Microsoft Teams in real-time, significantly improving your event experience.

Prerequisites

Ask your administrator to enable NDI access using the Microsoft Teams admin center.

Specifically, NDI®-out needs to be turned on for each individual user. For more information, consult this article.

Steps

Once the admin has enabled NDI, the end user must turn on NDI® technology in the Microsoft Teams client from Settings > Permissions:

Enable permissions for NDI screenshot

Then, the end user should navigate to the meeting controls and select More actions  More options button and choose Broadcast over NDI:

Whenever the end user joins a meeting, they will be notified that the meeting is being broadcast by a banner message:

Note that if they do not want to be part of the broadcast, they will have to leave the meeting.

Use with video mixing software

In a video mixing software, you can choose the NDI source from the Network section.

In OBS, for example, you can select the NDI source under Tools > NDI Output Settings: