Simplesat's Microsoft Teams integration uses Incoming Webhooks as the connector.

Open Microsoft Teams and go to Apps > Connectors > Incoming Webhook

Choose the channel that you'd like messages to be sent to.

Note: MS Teams has a 1:1 relationship between webhook:channel. So you'll need to create multiple webhooks to send messages to different teams. (which is possible with Simplesat)

In the integration settings, add Simplesat as the name, and upload the logo icon:

You can download the Simplesat logo icon here:

Copy the webhook URL:

Then paste it in the Microsoft Teams channel configuration modal: